12454664620 has 24 divisors (see below), whose sum is σ = 26208522144. Its totient is φ = 4971632256.

The previous prime is 12454664617. The next prime is 12454664647. The reversal of 12454664620 is 2646645421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629617 + ... + 649096.

It is an arithmetic number, because the mean of its divisors is an integer number (1092021756).

Almost surely, 2^12454664620 is an apocalyptic number.

12454664620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12454664620 is an abundant number, since it is smaller than the sum of its proper divisors (13753857524).

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

12454664620 is a wasteful number, since it uses less digits than its factorization.

12454664620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279209 (or 1279207 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 12454664620 in words is "twelve billion, four hundred fifty-four million, six hundred sixty-four thousand, six hundred twenty".