122021212012212 has 48 divisors (see below), whose sum is σ = 286274565483200. Its totient is φ = 40451709070080.

The previous prime is 122021212012181. The next prime is 122021212012253. The reversal of 122021212012212 is 212210212120221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35930887 + ... + 39179982.

Almost surely, 2^{122021212012212} is an apocalyptic number.

122021212012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021212012212 is an abundant number, since it is smaller than the sum of its proper divisors (164253353470988).

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

122021212012212 is a wasteful number, since it uses less digits than its factorization.

122021212012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75111616 (or 75111614 counting only the distinct ones).

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

Adding to 122021212012212 its reverse (212210212120221), we get a palindrome (334231424132433).

The spelling of 122021212012212 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twelve million, twelve thousand, two hundred twelve".