212313310020 has 144 divisors (see below), whose sum is σ = 736165317888. Its totient is φ = 48519141120.

The previous prime is 212313309973. The next prime is 212313310031. The reversal of 212313310020 is 20013313212.

212313310020 is a `hidden beast` number, since 21 + 2 + 313 + 310 + 0 + 20 = 666.

It is a super-2 number, since 2×212313310020² (a number of 23 digits) contains 22 as substring.

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 = 212313309975 and 212313310002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7794625 + ... + 7821815.

It is an arithmetic number, because the mean of its divisors is an integer number (5112259152).

Almost surely, 2^212313310020 is an apocalyptic number.

212313310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212313310020 is an abundant number, since it is smaller than the sum of its proper divisors (523852007868).

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

212313310020 is a wasteful number, since it uses less digits than its factorization.

212313310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33410 (or 33405 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212313310020 its reverse (20013313212), we get a palindrome (232326623232).

The spelling of 212313310020 in words is "two hundred twelve billion, three hundred thirteen million, three hundred ten thousand, twenty".