12462021397 has 32 divisors (see below), whose sum is σ = 15233054720. Its totient is φ = 9958023360.

The previous prime is 12462021361. The next prime is 12462021401. The reversal of 12462021397 is 79312026421.

It is a cyclic number.

It is not a de Polignac number, because 12462021397 - 2⁷ = 12462021269 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 (12462021337) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2230147 + ... + 2235727.

It is an arithmetic number, because the mean of its divisors is an integer number (476032960).

Almost surely, 2^12462021397 is an apocalyptic number.

It is an amenable number.

12462021397 is a deficient number, since it is larger than the sum of its proper divisors (2771033323).

12462021397 is a wasteful number, since it uses less digits than its factorization.

12462021397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12462021397 in words is "twelve billion, four hundred sixty-two million, twenty-one thousand, three hundred ninety-seven".