12945695239932 has 48 divisors (see below), whose sum is σ = 37177381204992. Its totient is φ = 3414249293760.

The previous prime is 12945695239889. The next prime is 12945695239933. The reversal of 12945695239932 is 23993259654921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945695239933) 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, 5927515044 + ... + 5927517227.

It is an arithmetic number, because the mean of its divisors is an integer number (774528775104).

Almost surely, 2^{12945695239932} is an apocalyptic number.

12945695239932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12945695239932 is an abundant number, since it is smaller than the sum of its proper divisors (24231685965060).

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

12945695239932 is a wasteful number, since it uses less digits than its factorization.

12945695239932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855032298 (or 11855032296 counting only the distinct ones).

The product of its digits is 283435200, while the sum is 69.

The spelling of 12945695239932 in words is "twelve trillion, nine hundred forty-five billion, six hundred ninety-five million, two hundred thirty-nine thousand, nine hundred thirty-two".