122031312220212 has 12 divisors (see below), whose sum is σ = 284739728513856. Its totient is φ = 40677104073400.

The previous prime is 122031312220141. The next prime is 122031312220219. The reversal of 122031312220212 is 212022213130221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031312220219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5084638009164 + ... + 5084638009187.

It is an arithmetic number, because the mean of its divisors is an integer number (23728310709488).

Almost surely, 2^{122031312220212} is an apocalyptic number.

122031312220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122031312220212 is an abundant number, since it is smaller than the sum of its proper divisors (162708416293644).

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

122031312220212 is a wasteful number, since it uses less digits than its factorization.

122031312220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169276018358 (or 10169276018356 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 122031312220212 its reverse (212022213130221), we get a palindrome (334053525350433).

The spelling of 122031312220212 in words is "one hundred twenty-two trillion, thirty-one billion, three hundred twelve million, two hundred twenty thousand, two hundred twelve".