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1230232122100 = 2252591931080383
BaseRepresentation
bin10001111001101111100…
…011000111001011110100
311100121102222210001000101
4101321233203013023310
5130124003410401400
62341054423523444
7154611204333502
oct21715743071364
94317388701011
101230232122100
11434813a62973
1217a5162b9584
138c019aa2c57
1443787717672
1522003db656a
hex11e6f8c72f4

1230232122100 has 72 divisors (see below), whose sum is σ = 2728920337920. Its totient is φ = 481245358080.

The previous prime is 1230232122071. The next prime is 1230232122139. The reversal of 1230232122100 is 12212320321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 598509 + ... + 1678891.

It is an arithmetic number, because the mean of its divisors is an integer number (37901671360).

Almost surely, 21230232122100 is an apocalyptic number.

1230232122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230232122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364460168960).

1230232122100 is an abundant number, since it is smaller than the sum of its proper divisors (1498688215820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230232122100 is a wasteful number, since it uses less digits than its factorization.

1230232122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080649 (or 1080642 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1230232122100 its reverse (12212320321), we get a palindrome (1242444442421).

The spelling of 1230232122100 in words is "one trillion, two hundred thirty billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 193 236 295 386 590 772 965 1180 1475 1930 2950 3860 4825 5900 9650 11387 19300 22774 45548 56935 113870 227740 284675 569350 1080383 1138700 2160766 4321532 5401915 10803830 21607660 27009575 54019150 63742597 108038300 127485194 208513919 254970388 318712985 417027838 637425970 834055676 1042569595 1274851940 1593564925 2085139190 3187129850 4170278380 5212847975 6374259700 10425695950 12302321221 20851391900 24604642442 49209284884 61511606105 123023212210 246046424420 307558030525 615116061050 1230232122100