312022302132 has 96 divisors (see below), whose sum is σ = 785810350080. Its totient is φ = 96038542080.

The previous prime is 312022302131. The next prime is 312022302191. The reversal of 312022302132 is 231203220213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312022302099 and 312022302108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312022302131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10145923 + ... + 10176629.

It is an arithmetic number, because the mean of its divisors is an integer number (8185524480).

Almost surely, 2^312022302132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312022302132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392905175040).

312022302132 is an abundant number, since it is smaller than the sum of its proper divisors (473788047948).

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

312022302132 is a wasteful number, since it uses less digits than its factorization.

312022302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861 (or 31859 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312022302132 its reverse (231203220213), we get a palindrome (543225522345).

The spelling of 312022302132 in words is "three hundred twelve billion, twenty-two million, three hundred two thousand, one hundred thirty-two".