12850691516 has 48 divisors (see below), whose sum is σ = 25182769920. Its totient is φ = 5697768960.

The previous prime is 12850691501. The next prime is 12850691521. The reversal of 12850691516 is 61519605821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191750 + ... + 249938.

It is an arithmetic number, because the mean of its divisors is an integer number (524641040).

Almost surely, 2^12850691516 is an apocalyptic number.

It is an amenable number.

12850691516 is a deficient number, since it is larger than the sum of its proper divisors (12332078404).

12850691516 is a wasteful number, since it uses less digits than its factorization.

12850691516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58374 (or 58372 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

It can be divided in two parts, 128506 and 91516, that added together give a palindrome (220022).

The spelling of 12850691516 in words is "twelve billion, eight hundred fifty million, six hundred ninety-one thousand, five hundred sixteen".