12453222235420 has 12 divisors (see below), whose sum is σ = 26151766694424. Its totient is φ = 4981288894160.

The previous prime is 12453222235403. The next prime is 12453222235453. The reversal of 12453222235420 is 2453222235421.

It is a self number, because there is not a number n which added to its sum of digits gives 12453222235420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311330555866 + ... + 311330555905.

It is an arithmetic number, because the mean of its divisors is an integer number (2179313891202).

Almost surely, 2^{12453222235420} is an apocalyptic number.

12453222235420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12453222235420 is an abundant number, since it is smaller than the sum of its proper divisors (13698544459004).

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

12453222235420 is a wasteful number, since it uses less digits than its factorization.

12453222235420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622661111780 (or 622661111778 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Subtracting from 12453222235420 its reverse (2453222235421), we obtain a palindrome (9999999999999).

The spelling of 12453222235420 in words is "twelve trillion, four hundred fifty-three billion, two hundred twenty-two million, two hundred thirty-five thousand, four hundred twenty".