1239623012 has 12 divisors (see below), whose sum is σ = 2201718960. Its totient is φ = 610560456.

The previous prime is 1239623003. The next prime is 1239623027. The reversal of 1239623012 is 2103269321.

It is a super-3 number, since 3×1239623012³ (a number of 28 digits) contains 333 as substring.

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, 2312462 + ... + 2312997.

It is an arithmetic number, because the mean of its divisors is an integer number (183476580).

Almost surely, 2^1239623012 is an apocalyptic number.

It is an amenable number.

1239623012 is a deficient number, since it is larger than the sum of its proper divisors (962095948).

1239623012 is a wasteful number, since it uses less digits than its factorization.

1239623012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625530 (or 4625528 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1239623012 is about 35208.2804465086. The cubic root of 1239623012 is about 1074.2281857108.

The spelling of 1239623012 in words is "one billion, two hundred thirty-nine million, six hundred twenty-three thousand, twelve".