3123136012 has 6 divisors (see below), whose sum is σ = 5465488028. Its totient is φ = 1561568004.

The previous prime is 3123135979. The next prime is 3123136067. The reversal of 3123136012 is 2106313213.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390391998 + ... + 390392005.

Almost surely, 2^3123136012 is an apocalyptic number.

It is an amenable number.

3123136012 is a deficient number, since it is larger than the sum of its proper divisors (2342352016).

3123136012 is a wasteful number, since it uses less digits than its factorization.

3123136012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780784007 (or 780784005 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3123136012 is about 55885.0249351291. The cubic root of 3123136012 is about 1461.7181268131.

Adding to 3123136012 its reverse (2106313213), we get a palindrome (5229449225).

The spelling of 3123136012 in words is "three billion, one hundred twenty-three million, one hundred thirty-six thousand, twelve".