3156217012 has 48 divisors (see below), whose sum is σ = 6194829312. Its totient is φ = 1397168640.

The previous prime is 3156216989. The next prime is 3156217027. The reversal of 3156217012 is 2107126513.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173493 + ... + 190819.

It is an arithmetic number, because the mean of its divisors is an integer number (129058944).

Almost surely, 2^3156217012 is an apocalyptic number.

It is an amenable number.

3156217012 is a deficient number, since it is larger than the sum of its proper divisors (3038612300).

3156217012 is a wasteful number, since it uses less digits than its factorization.

3156217012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488 (or 17486 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 3156217012 is about 56180.2190454968. The cubic root of 3156217012 is about 1466.8609667057.

The spelling of 3156217012 in words is "three billion, one hundred fifty-six million, two hundred seventeen thousand, twelve".