212111010112120 has 64 divisors (see below), whose sum is σ = 546761877566400. Its totient is φ = 72545966115840.

The previous prime is 212111010112063. The next prime is 212111010112159. The reversal of 212111010112120 is 21211010111212.

It is a super-2 number, since 2×212111010112120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212111010112094 and 212111010112103.

It is a congruent number.

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, 925972671 + ... + 926201710.

It is an arithmetic number, because the mean of its divisors is an integer number (8543154336975).

Almost surely, 2^{212111010112120} is an apocalyptic number.

212111010112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111010112120 is an abundant number, since it is smaller than the sum of its proper divisors (334650867454280).

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

212111010112120 is a wasteful number, since it uses less digits than its factorization.

212111010112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852174808 (or 1852174804 counting only the distinct ones).

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

Adding to 212111010112120 its reverse (21211010111212), we get a palindrome (233322020223332).

The spelling of 212111010112120 in words is "two hundred twelve trillion, one hundred eleven billion, ten million, one hundred twelve thousand, one hundred twenty".