12212022211212 has 24 divisors (see below), whose sum is σ = 29733619297536. Its totient is φ = 3893688241168.

The previous prime is 12212022211201. The next prime is 12212022211237. The reversal of 12212022211212 is 21211222021221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22123228368 + ... + 22123228919.

It is an arithmetic number, because the mean of its divisors is an integer number (1238900804064).

Almost surely, 2^{12212022211212} is an apocalyptic number.

12212022211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212022211212 is an abundant number, since it is smaller than the sum of its proper divisors (17521597086324).

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

12212022211212 is a wasteful number, since it uses less digits than its factorization.

12212022211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44246457317 (or 44246457315 counting only the distinct ones).

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

Adding to 12212022211212 its reverse (21211222021221), we get a palindrome (33423244232433).

The spelling of 12212022211212 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred eleven thousand, two hundred twelve".