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121131301110000 = 2435425057161141
BaseRepresentation
bin11011100010101100010100…
…001011001000000011110000
3120212220001001122101221102120
4123202230110023020003300
5111334103401041010000
61105342541305514240
734341306364023156
oct3342542413100360
9525801048357376
10121131301110000
1135661550654455
12117040837a2980
13527882c0032bc
1421cab016b13d6
15e00d8308e6a0
hex6e2b142c80f0

121131301110000 has 200 divisors, whose sum is σ = 391046023079184. Its totient is φ = 32300190720000.

The previous prime is 121131301109893. The next prime is 121131301110073. The reversal of 121131301110000 is 11103131121.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 751629430 + ... + 751790570.

Almost surely, 2121131301110000 is an apocalyptic number.

121131301110000 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 121131301110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195523011539592).

121131301110000 is an abundant number, since it is smaller than the sum of its proper divisors (269914721969184).

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

121131301110000 is a wasteful number, since it uses less digits than its factorization.

121131301110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186229 (or 186208 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 121131301110000 its reverse (11103131121), we get a palindrome (121142404241121).

The spelling of 121131301110000 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred one million, one hundred ten thousand".