12701436500 has 24 divisors (see below), whose sum is σ = 27739938408. Its totient is φ = 5080574400.

The previous prime is 12701436469. The next prime is 12701436541. The reversal of 12701436500 is 563410721.

It can be written as a sum of positive squares in 4 ways, for example, as 16370116 + 12685066384 = 4046^2 + 112628^2 .

It is a super-2 number, since 2×12701436500² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 12700937 + ... + 12701936.

It is an arithmetic number, because the mean of its divisors is an integer number (1155830767).

Almost surely, 2^12701436500 is an apocalyptic number.

12701436500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12701436500 is an abundant number, since it is smaller than the sum of its proper divisors (15038501908).

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

12701436500 is a wasteful number, since it uses less digits than its factorization.

12701436500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25402892 (or 25402880 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 12701436500 in words is "twelve billion, seven hundred one million, four hundred thirty-six thousand, five hundred".