101251543134012 has 12 divisors (see below), whose sum is σ = 236253600646056. Its totient is φ = 33750514378000.

The previous prime is 101251543133987. The next prime is 101251543134023. The reversal of 101251543134012 is 210431345152101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101251543134012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4218814297239 + ... + 4218814297262.

It is an arithmetic number, because the mean of its divisors is an integer number (19687800053838).

Almost surely, 2^{101251543134012} is an apocalyptic number.

101251543134012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101251543134012 is an abundant number, since it is smaller than the sum of its proper divisors (135002057512044).

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

101251543134012 is a wasteful number, since it uses less digits than its factorization.

101251543134012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437628594508 (or 8437628594506 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 101251543134012 its reverse (210431345152101), we get a palindrome (311682888286113).

The spelling of 101251543134012 in words is "one hundred one trillion, two hundred fifty-one billion, five hundred forty-three million, one hundred thirty-four thousand, twelve".