12212013012400 has 30 divisors (see below), whose sum is σ = 29339361263252. Its totient is φ = 4884805204800.

The previous prime is 12212013012317. The next prime is 12212013012401. The reversal of 12212013012400 is 421031021221.

It is not an unprimeable number, because it can be changed into a prime (12212013012401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15265015866 + ... + 15265016665.

Almost surely, 2^{12212013012400} is an apocalyptic number.

12212013012400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212013012400 is an abundant number, since it is smaller than the sum of its proper divisors (17127348250852).

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

12212013012400 is a wasteful number, since it uses less digits than its factorization.

12212013012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530032549 (or 30530032538 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12212013012400 its reverse (421031021221), we get a palindrome (12633044033621).

The spelling of 12212013012400 in words is "twelve trillion, two hundred twelve billion, thirteen million, twelve thousand, four hundred".