12212022220212 has 48 divisors (see below), whose sum is σ = 29414340032000. Its totient is φ = 3939303473280.

The previous prime is 12212022220193. The next prime is 12212022220241. The reversal of 12212022220212 is 21202222021221.

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, 29790414 + ... + 30197562.

Almost surely, 2^{12212022220212} is an apocalyptic number.

12212022220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212022220212 is an abundant number, since it is smaller than the sum of its proper divisors (17202317811788).

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

12212022220212 is a wasteful number, since it uses less digits than its factorization.

12212022220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487816 (or 487814 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12212022220212 its reverse (21202222021221), we get a palindrome (33414244241433).

The spelling of 12212022220212 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, two hundred twelve".