312212202132 has 24 divisors (see below), whose sum is σ = 729044154496. Its totient is φ = 103992303168.

The previous prime is 312212202083. The next prime is 312212202161. The reversal of 312212202132 is 231202212213.

It is a super-2 number, since 2×312212202132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312212202099 and 312212202108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9787273 + ... + 9819120.

Almost surely, 2^312212202132 is an apocalyptic number.

It is an amenable number.

312212202132 is an abundant number, since it is smaller than the sum of its proper divisors (416831952364).

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

312212202132 is a wasteful number, since it uses less digits than its factorization.

312212202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19607727 (or 19607725 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 312212202132 its reverse (231202212213), we get a palindrome (543414414345).

The spelling of 312212202132 in words is "three hundred twelve billion, two hundred twelve million, two hundred two thousand, one hundred thirty-two".