100312132012312 has 16 divisors (see below), whose sum is σ = 205183906389000. Its totient is φ = 45596423641920.

The previous prime is 100312132012237. The next prime is 100312132012319. The reversal of 100312132012312 is 213210231213001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312132012319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569955295437 + ... + 569955295612.

Almost surely, 2^{100312132012312} is an apocalyptic number.

It is an amenable number.

100312132012312 is an abundant number, since it is smaller than the sum of its proper divisors (104871774376688).

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

100312132012312 is a wasteful number, since it uses less digits than its factorization.

100312132012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139910591066 (or 1139910591062 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100312132012312 its reverse (213210231213001), we get a palindrome (313522363225313).

The spelling of 100312132012312 in words is "one hundred trillion, three hundred twelve billion, one hundred thirty-two million, twelve thousand, three hundred twelve".