12462026421 has 16 divisors (see below), whose sum is σ = 18511234560. Its totient is φ = 7404492480.

The previous prime is 12462026417. The next prime is 12462026449.

12462026421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12462026421 - 2² = 12462026417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12462026461) 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, 5508165 + ... + 5510426.

It is an arithmetic number, because the mean of its divisors is an integer number (1156952160).

Almost surely, 2^12462026421 is an apocalyptic number.

It is an amenable number.

12462026421 is a deficient number, since it is larger than the sum of its proper divisors (6049208139).

12462026421 is a wasteful number, since it uses less digits than its factorization.

12462026421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018636.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 12462026421 in words is "twelve billion, four hundred sixty-two million, twenty-six thousand, four hundred twenty-one".