312203021021010 has 160 divisors (see below), whose sum is σ = 968903898792192. Its totient is φ = 70654148899200.

The previous prime is 312203021020999. The next prime is 312203021021029. The reversal of 312203021021010 is 10120120302213.

312203021021010 is a `hidden beast` number, since 31 + 2 + 203 + 0 + 210 + 210 + 10 = 666.

It is a super-2 number, since 2×312203021021010² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 272012782 + ... + 273158121.

Almost surely, 2^{312203021021010} is an apocalyptic number.

312203021021010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312203021021010 is an abundant number, since it is smaller than the sum of its proper divisors (656700877771182).

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

312203021021010 is a wasteful number, since it uses less digits than its factorization.

312203021021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545171030 (or 545171021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312203021021010 its reverse (10120120302213), we get a palindrome (322323141323223).

The spelling of 312203021021010 in words is "three hundred twelve trillion, two hundred three billion, twenty-one million, twenty-one thousand, ten".