212131010120 has 64 divisors (see below), whose sum is σ = 480894261120. Its totient is φ = 84213955584.

The previous prime is 212131010107. The next prime is 212131010153. The reversal of 212131010120 is 21010131212.

It is a junction number, because it is equal to n+sod(n) for n = 212131010095 and 212131010104.

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, 4717664 + ... + 4762416.

It is an arithmetic number, because the mean of its divisors is an integer number (7513972830).

Almost surely, 2^212131010120 is an apocalyptic number.

212131010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212131010120 is an abundant number, since it is smaller than the sum of its proper divisors (268763251000).

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

212131010120 is a wasteful number, since it uses less digits than its factorization.

212131010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45654 (or 45650 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212131010120 its reverse (21010131212), we get a palindrome (233141141332).

The spelling of 212131010120 in words is "two hundred twelve billion, one hundred thirty-one million, ten thousand, one hundred twenty".