12971202707500 has 60 divisors (see below), whose sum is σ = 28535279850000. Its totient is φ = 5157412168000.

The previous prime is 12971202707497. The next prime is 12971202707503. The reversal of 12971202707500 is 570720217921.

It is an interprime number because it is at equal distance from previous prime (12971202707497) and next prime (12971202707503).

It is not an unprimeable number, because it can be changed into a prime (12971202707503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15116875 + ... + 15951874.

It is an arithmetic number, because the mean of its divisors is an integer number (475587997500).

Almost surely, 2^{12971202707500} is an apocalyptic number.

12971202707500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12971202707500 is an abundant number, since it is smaller than the sum of its proper divisors (15564077142500).

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

12971202707500 is a wasteful number, since it uses less digits than its factorization.

12971202707500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31068940 (or 31068923 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 12971202707500 in words is "twelve trillion, nine hundred seventy-one billion, two hundred two million, seven hundred seven thousand, five hundred".