212212122012120 has 128 divisors (see below), whose sum is σ = 637453032638400. Its totient is φ = 56517313191936.

The previous prime is 212212122012119. The next prime is 212212122012133. The reversal of 212212122012120 is 21210221212212.

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 31 ways as a sum of consecutive naturals, for example, 2978087532 + ... + 2978158788.

Almost surely, 2^{212212122012120} is an apocalyptic number.

212212122012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212122012120 is an abundant number, since it is smaller than the sum of its proper divisors (425240910626280).

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

212212122012120 is a wasteful number, since it uses less digits than its factorization.

212212122012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102757 (or 102753 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212122012120 its reverse (21210221212212), we get a palindrome (233422343224332).

The spelling of 212212122012120 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred twenty-two million, twelve thousand, one hundred twenty".