12735237156 has 24 divisors (see below), whose sum is σ = 29993271840. Its totient is φ = 4205404992.

The previous prime is 12735237133. The next prime is 12735237167. The reversal of 12735237156 is 65173253721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957921 + ... + 4960488.

It is an arithmetic number, because the mean of its divisors is an integer number (1249719660).

Almost surely, 2^12735237156 is an apocalyptic number.

It is an amenable number.

12735237156 is an abundant number, since it is smaller than the sum of its proper divisors (17258034684).

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

12735237156 is a wasteful number, since it uses less digits than its factorization.

12735237156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918523 (or 9918521 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The spelling of 12735237156 in words is "twelve billion, seven hundred thirty-five million, two hundred thirty-seven thousand, one hundred fifty-six".