212002021112120 has 64 divisors (see below), whose sum is σ = 477197391601440. Its totient is φ = 84766528000000.

The previous prime is 212002021112083. The next prime is 212002021112137. The reversal of 212002021112120 is 21211120200212.

It is a super-2 number, since 2×212002021112120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3854484620 + ... + 3854539620.

Almost surely, 2^{212002021112120} is an apocalyptic number.

212002021112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002021112120 is an abundant number, since it is smaller than the sum of its proper divisors (265195370489320).

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

212002021112120 is a wasteful number, since it uses less digits than its factorization.

212002021112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92216 (or 92212 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212002021112120 its reverse (21211120200212), we get a palindrome (233213141312332).

The spelling of 212002021112120 in words is "two hundred twelve trillion, two billion, twenty-one million, one hundred twelve thousand, one hundred twenty".