12402733836 has 12 divisors (see below), whose sum is σ = 28939712312. Its totient is φ = 4134244608.

The previous prime is 12402733813. The next prime is 12402733879. The reversal of 12402733836 is 63833720421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12402733794 and 12402733803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516780565 + ... + 516780588.

Almost surely, 2^12402733836 is an apocalyptic number.

It is an amenable number.

12402733836 is an abundant number, since it is smaller than the sum of its proper divisors (16536978476).

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

12402733836 is a wasteful number, since it uses less digits than its factorization.

12402733836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033561160 (or 1033561158 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 12402733836 in words is "twelve billion, four hundred two million, seven hundred thirty-three thousand, eight hundred thirty-six".