212010120120 has 64 divisors (see below), whose sum is σ = 636189985440. Its totient is φ = 56521843200.

The previous prime is 212010119833. The next prime is 212010120121. The reversal of 212010120120 is 21021010212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 212010120096 and 212010120105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262830 + ... + 702210.

Almost surely, 2^212010120120 is an apocalyptic number.

212010120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010120120 is an abundant number, since it is smaller than the sum of its proper divisors (424179865320).

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

212010120120 is a wasteful number, since it uses less digits than its factorization.

212010120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443416 (or 443412 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212010120120 its reverse (21021010212), we get a palindrome (233031130332).

The spelling of 212010120120 in words is "two hundred twelve billion, ten million, one hundred twenty thousand, one hundred twenty".