312021234213210 has 48 divisors (see below), whose sum is σ = 812849030702280. Its totient is φ = 83042193559680.

The previous prime is 312021234213203. The next prime is 312021234213211. The reversal of 312021234213210 is 12312432120213.

312021234213210 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 2 + 1 + 23 + 421 + 3 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 213479538461721 + 98541695751489 = 14610939^2 + 9926817^2 .

It is not an unprimeable number, because it can be changed into a prime (312021234213211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3405555961 + ... + 3405647580.

Almost surely, 2^{312021234213210} is an apocalyptic number.

312021234213210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312021234213210 is an abundant number, since it is smaller than the sum of its proper divisors (500827796489070).

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

312021234213210 is a wasteful number, since it uses less digits than its factorization.

312021234213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811204063 (or 6811204060 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 312021234213210 its reverse (12312432120213), we get a palindrome (324333666333423).

The spelling of 312021234213210 in words is "three hundred twelve trillion, twenty-one billion, two hundred thirty-four million, two hundred thirteen thousand, two hundred ten".