12291462620 has 12 divisors (see below), whose sum is σ = 25812071544. Its totient is φ = 4916585040.

The previous prime is 12291462619. The next prime is 12291462709. The reversal of 12291462620 is 2626419221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307286546 + ... + 307286585.

It is an arithmetic number, because the mean of its divisors is an integer number (2151005962).

Almost surely, 2^12291462620 is an apocalyptic number.

12291462620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12291462620 is an abundant number, since it is smaller than the sum of its proper divisors (13520608924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12291462620 is a wasteful number, since it uses less digits than its factorization.

12291462620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614573140 (or 614573138 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 12291462620 in words is "twelve billion, two hundred ninety-one million, four hundred sixty-two thousand, six hundred twenty".