12446211264421 has 16 divisors (see below), whose sum is σ = 14418780575040. Its totient is φ = 10624364593920.

The previous prime is 12446211264397. The next prime is 12446211264427.

12446211264421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12446211264421 - 2⁷ = 12446211264293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446211264427) 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, 263477490 + ... + 263524723.

It is an arithmetic number, because the mean of its divisors is an integer number (901173785940).

Almost surely, 2^{12446211264421} is an apocalyptic number.

12446211264421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12446211264421 is a deficient number, since it is larger than the sum of its proper divisors (1972569310619).

12446211264421 is a wasteful number, since it uses less digits than its factorization.

12446211264421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527002356.

The product of its digits is 147456, while the sum is 40.

The spelling of 12446211264421 in words is "twelve trillion, four hundred forty-six billion, two hundred eleven million, two hundred sixty-four thousand, four hundred twenty-one".