12453222235421 has 16 divisors (see below), whose sum is σ = 13757537068800. Its totient is φ = 11177612971200.

The previous prime is 12453222235403. The next prime is 12453222235453.

12453222235421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12453222235421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453222235471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80375495 + ... + 80530283.

It is an arithmetic number, because the mean of its divisors is an integer number (859846066800).

Almost surely, 2^{12453222235421} is an apocalyptic number.

12453222235421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12453222235421 is a deficient number, since it is larger than the sum of its proper divisors (1304314833379).

12453222235421 is a wasteful number, since it uses less digits than its factorization.

12453222235421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247460.

The product of its digits is 230400, while the sum is 38.

The spelling of 12453222235421 in words is "twelve trillion, four hundred fifty-three billion, two hundred twenty-two million, two hundred thirty-five thousand, four hundred twenty-one".