100321231113212 has 12 divisors (see below), whose sum is σ = 175595223265560. Its totient is φ = 50151167323056.

The previous prime is 100321231113209. The next prime is 100321231113239. The reversal of 100321231113212 is 212311132123001.

It is a happy number.

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, 2362034498 + ... + 2362076969.

It is an arithmetic number, because the mean of its divisors is an integer number (14632935272130).

Almost surely, 2^{100321231113212} is an apocalyptic number.

It is an amenable number.

100321231113212 is a deficient number, since it is larger than the sum of its proper divisors (75273992152348).

100321231113212 is a wasteful number, since it uses less digits than its factorization.

100321231113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724116780 (or 4724116778 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 100321231113212 its reverse (212311132123001), we get a palindrome (312632363236213).

The spelling of 100321231113212 in words is "one hundred trillion, three hundred twenty-one billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred twelve".