12980156036 has 12 divisors (see below), whose sum is σ = 23329199628. Its totient is φ = 6314670432.

The previous prime is 12980156003. The next prime is 12980156069. The reversal of 12980156036 is 63065108921.

It is an interprime number because it is at equal distance from previous prime (12980156003) and next prime (12980156069).

It can be written as a sum of positive squares in 2 ways, for example, as 10918996036 + 2061160000 = 104494^2 + 45400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12980155984 and 12980156002.

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, 43851731 + ... + 43852026.

It is an arithmetic number, because the mean of its divisors is an integer number (1944099969).

Almost surely, 2^12980156036 is an apocalyptic number.

It is an amenable number.

12980156036 is a deficient number, since it is larger than the sum of its proper divisors (10349043592).

12980156036 is a wasteful number, since it uses less digits than its factorization.

12980156036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87703798 (or 87703796 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 12980156036 in words is "twelve billion, nine hundred eighty million, one hundred fifty-six thousand, thirty-six".