12902787512 has 24 divisors (see below), whose sum is σ = 24976599840. Its totient is φ = 6242418720.

The previous prime is 12902787497. The next prime is 12902787523. The reversal of 12902787512 is 21578720921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1785218 + ... + 1792430.

It is an arithmetic number, because the mean of its divisors is an integer number (1040691660).

Almost surely, 2^12902787512 is an apocalyptic number.

It is an amenable number.

12902787512 is a deficient number, since it is larger than the sum of its proper divisors (12073812328).

12902787512 is an frugal number, since it uses more digits than its factorization.

12902787512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463 (or 7246 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 12902787512 in words is "twelve billion, nine hundred two million, seven hundred eighty-seven thousand, five hundred twelve".