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12101030013042 = 2321394836542771
BaseRepresentation
bin1011000000010111110110…
…0110000110100001110010
31120211211212120212112022100
42300011331212012201302
53041230402140404132
641423045245521230
72356161542653335
oct260057546064162
946754776775270
1012101030013042
113946021a72a53
121435316573216
1369a1787173a9
142db99b76061c
1515eb977b937c
hexb017d986872

12101030013042 has 24 divisors (see below), whose sum is σ = 26407523535120. Its totient is φ = 4004657413560.

The previous prime is 12101030012983. The next prime is 12101030013043. The reversal of 12101030013042 is 24031003010121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12101030013043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2418268884 + ... + 2418273887.

It is an arithmetic number, because the mean of its divisors is an integer number (1100313480630).

Almost surely, 212101030013042 is an apocalyptic number.

12101030013042 is an abundant number, since it is smaller than the sum of its proper divisors (14306493522078).

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

12101030013042 is a wasteful number, since it uses less digits than its factorization.

12101030013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836542918 (or 4836542915 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12101030013042 its reverse (24031003010121), we get a palindrome (36132033023163).

The spelling of 12101030013042 in words is "twelve trillion, one hundred one billion, thirty million, thirteen thousand, forty-two".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 4836542771 9673085542 14509628313 29019256626 43528884939 87057769878 672279445169 1344558890338 2016838335507 4033676671014 6050515006521 12101030013042