12507681852946 has 8 divisors (see below), whose sum is σ = 21441740319360. Its totient is φ = 5360435079828.

The previous prime is 12507681852901. The next prime is 12507681852947. The reversal of 12507681852946 is 64925818670521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12507681852947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446702923306 + ... + 446702923333.

It is an arithmetic number, because the mean of its divisors is an integer number (2680217539920).

Almost surely, 2^{12507681852946} is an apocalyptic number.

12507681852946 is a deficient number, since it is larger than the sum of its proper divisors (8934058466414).

12507681852946 is an equidigital number, since it uses as much as digits as its factorization.

12507681852946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893405846648.

The product of its (nonzero) digits is 58060800, while the sum is 64.

The spelling of 12507681852946 in words is "twelve trillion, five hundred seven billion, six hundred eighty-one million, eight hundred fifty-two thousand, nine hundred forty-six".