12212113212032 has 32 divisors (see below), whose sum is σ = 25113619920000. Its totient is φ = 5909087036160.

The previous prime is 12212113212007. The next prime is 12212113212041. The reversal of 12212113212032 is 23021231121221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12212113211989 and 12212113212007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538820782 + ... + 1538828717.

It is an arithmetic number, because the mean of its divisors is an integer number (784800622500).

Almost surely, 2^{12212113212032} is an apocalyptic number.

It is an amenable number.

12212113212032 is an abundant number, since it is smaller than the sum of its proper divisors (12901506707968).

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

12212113212032 is an equidigital number, since it uses as much as digits as its factorization.

12212113212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077649544 (or 3077649532 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12212113212032 its reverse (23021231121221), we get a palindrome (35233344333253).

The spelling of 12212113212032 in words is "twelve trillion, two hundred twelve billion, one hundred thirteen million, two hundred twelve thousand, thirty-two".