12701894500 has 24 divisors (see below), whose sum is σ = 27740938680. Its totient is φ = 5080757600.

The previous prime is 12701894483. The next prime is 12701894503. The reversal of 12701894500 is 549810721.

It can be written as a sum of positive squares in 4 ways, for example, as 87459904 + 12614434596 = 9352^2 + 112314^2 .

It is a super-2 number, since 2×12701894500² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12701894500.

It is not an unprimeable number, because it can be changed into a prime (12701894503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12701395 + ... + 12702394.

It is an arithmetic number, because the mean of its divisors is an integer number (1155872445).

Almost surely, 2^12701894500 is an apocalyptic number.

12701894500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12701894500 is an abundant number, since it is smaller than the sum of its proper divisors (15039044180).

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

12701894500 is a wasteful number, since it uses less digits than its factorization.

12701894500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25403808 (or 25403796 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 12701894500 in words is "twelve billion, seven hundred one million, eight hundred ninety-four thousand, five hundred".