12966749870 has 32 divisors (see below), whose sum is σ = 23766755616. Its totient is φ = 5092214400.

The previous prime is 12966749869. The next prime is 12966749879. The reversal of 12966749870 is 7894766921.

It is a super-2 number, since 2×12966749870² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966749879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314240 + ... + 353100.

It is an arithmetic number, because the mean of its divisors is an integer number (742711113).

Almost surely, 2^12966749870 is an apocalyptic number.

12966749870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12966749870 is a deficient number, since it is larger than the sum of its proper divisors (10800005746).

12966749870 is a wasteful number, since it uses less digits than its factorization.

12966749870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39476.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 12966749870 in words is "twelve billion, nine hundred sixty-six million, seven hundred forty-nine thousand, eight hundred seventy".