123988012 has 12 divisors (see below), whose sum is σ = 217155400. Its totient is φ = 61943616.

The previous prime is 123987979. The next prime is 123988013. The reversal of 123988012 is 210889321.

It is not an unprimeable number, because it can be changed into a prime (123988013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6762 + ... + 17137.

Almost surely, 2^123988012 is an apocalyptic number.

It is an amenable number.

123988012 is a deficient number, since it is larger than the sum of its proper divisors (93167388).

123988012 is a wasteful number, since it uses less digits than its factorization.

123988012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200 (or 25198 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 123988012 is about 11134.9904355594. The cubic root of 123988012 is about 498.6470248856.

The spelling of 123988012 in words is "one hundred twenty-three million, nine hundred eighty-eight thousand, twelve".