312100210231020 has 144 divisors (see below), whose sum is σ = 962151863400000. Its totient is φ = 81878064592896.

The previous prime is 312100210230967. The next prime is 312100210231049. The reversal of 312100210231020 is 20132012001213.

312100210231020 is a `hidden beast` number, since 3 + 121 + 0 + 0 + 210 + 2 + 310 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 312100210230984 and 312100210231002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45761545 + ... + 52137504.

It is an arithmetic number, because the mean of its divisors is an integer number (6681610162500).

Almost surely, 2^{312100210231020} is an apocalyptic number.

312100210231020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312100210231020 is an abundant number, since it is smaller than the sum of its proper divisors (650051653168980).

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

312100210231020 is a wasteful number, since it uses less digits than its factorization.

312100210231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97899352 (or 97899347 counting only the distinct ones).

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

Adding to 312100210231020 its reverse (20132012001213), we get a palindrome (332232222232233).

The spelling of 312100210231020 in words is "three hundred twelve trillion, one hundred billion, two hundred ten million, two hundred thirty-one thousand, twenty".