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10000122002220 = 22357232997379971
BaseRepresentation
bin1001000110000101010110…
…1110000011101100101100
31022102000001200210121102010
42101201111232003230230
52302320222213032340
633133554224001220
72051325226345020
oct221412556035454
938360050717363
1010000122002220
1132060341930a9
121156110760210
1357701350389c
1426801940a380
151251d59e1b80
hex91855b83b2c

10000122002220 has 768 divisors, whose sum is σ = 35027383910400. Its totient is φ = 2081549352960.

The previous prime is 10000122002203. The next prime is 10000122002261. The reversal of 10000122002220 is 2220022100001.

It is a super-3 number, since 3×100001220022203 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10000122002196 and 10000122002205.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10298786335 + ... + 10298787305.

It is an arithmetic number, because the mean of its divisors is an integer number (45608572800).

Almost surely, 210000122002220 is an apocalyptic number.

10000122002220 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 10000122002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17513691955200).

10000122002220 is an abundant number, since it is smaller than the sum of its proper divisors (25027261908180).

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

10000122002220 is a wasteful number, since it uses less digits than its factorization.

10000122002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10000122002220 its reverse (2220022100001), we get a palindrome (12220144102221).

The spelling of 10000122002220 in words is "ten trillion, one hundred twenty-two million, two thousand, two hundred twenty".