12469950621 has 24 divisors (see below), whose sum is σ = 18595805760. Its totient is φ = 8258551128.

The previous prime is 12469950529. The next prime is 12469950637. The reversal of 12469950621 is 12605996421.

12469950621 is a `hidden beast` number, since 12 + 4 + 6 + 9 + 9 + 5 + 0 + 621 = 666.

12469950621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12469950621 - 2¹¹ = 12469948573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12469955621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7497636 + ... + 7499298.

It is an arithmetic number, because the mean of its divisors is an integer number (774825240).

Almost surely, 2^12469950621 is an apocalyptic number.

It is an amenable number.

12469950621 is a deficient number, since it is larger than the sum of its proper divisors (6125855139).

12469950621 is an frugal number, since it uses more digits than its factorization.

12469950621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 12469950621 in words is "twelve billion, four hundred sixty-nine million, nine hundred fifty thousand, six hundred twenty-one".