31212103200132 has 48 divisors (see below), whose sum is σ = 77700898199232. Its totient is φ = 9717284029440.

The previous prime is 31212103200107. The next prime is 31212103200151. The reversal of 31212103200132 is 23100230121213.

It is a junction number, because it is equal to n+sod(n) for n = 31212103200099 and 31212103200108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583944673 + ... + 583998120.

It is an arithmetic number, because the mean of its divisors is an integer number (1618768712484).

Almost surely, 2^{31212103200132} is an apocalyptic number.

It is an amenable number.

31212103200132 is an abundant number, since it is smaller than the sum of its proper divisors (46488794999100).

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

31212103200132 is a wasteful number, since it uses less digits than its factorization.

31212103200132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167942948 (or 1167942946 counting only the distinct ones).

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

Adding to 31212103200132 its reverse (23100230121213), we get a palindrome (54312333321345).

The spelling of 31212103200132 in words is "thirty-one trillion, two hundred twelve billion, one hundred three million, two hundred thousand, one hundred thirty-two".