312103122132 has 12 divisors (see below), whose sum is σ = 728240618336. Its totient is φ = 104034374040.

The previous prime is 312103122127. The next prime is 312103122161. The reversal of 312103122132 is 231221301213.

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

It is a junction number, because it is equal to n+sod(n) for n = 312103122099 and 312103122108.

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 3 ways as a sum of consecutive naturals, for example, 13004296744 + ... + 13004296767.

Almost surely, 2^312103122132 is an apocalyptic number.

It is an amenable number.

312103122132 is an abundant number, since it is smaller than the sum of its proper divisors (416137496204).

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

312103122132 is a wasteful number, since it uses less digits than its factorization.

312103122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26008593518 (or 26008593516 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312103122132 its reverse (231221301213), we get a palindrome (543324423345).

The spelling of 312103122132 in words is "three hundred twelve billion, one hundred three million, one hundred twenty-two thousand, one hundred thirty-two".