312212032130 has 32 divisors (see below), whose sum is σ = 567249162480. Its totient is φ = 123714708480.

The previous prime is 312212032103. The next prime is 312212032183. The reversal of 312212032130 is 31230212213.

It can be written as a sum of positive squares in 8 ways, for example, as 297407713201 + 14804318929 = 545351^2 + 121673^2 .

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, 6123302 + ... + 6174078.

Almost surely, 2^312212032130 is an apocalyptic number.

312212032130 is a deficient number, since it is larger than the sum of its proper divisors (255037130350).

312212032130 is a wasteful number, since it uses less digits than its factorization.

312212032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56534.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312212032130 its reverse (31230212213), we get a palindrome (343442244343).

The spelling of 312212032130 in words is "three hundred twelve billion, two hundred twelve million, thirty-two thousand, one hundred thirty".