3147440012 has 18 divisors (see below), whose sum is σ = 5576192748. Its totient is φ = 1554254568.

The previous prime is 3147439987. The next prime is 3147440029. The reversal of 3147440012 is 2100447413.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020689 + ... + 1023767.

It is an arithmetic number, because the mean of its divisors is an integer number (309788486).

Almost surely, 2^3147440012 is an apocalyptic number.

It is an amenable number.

3147440012 is a deficient number, since it is larger than the sum of its proper divisors (2428752736).

3147440012 is an frugal number, since it uses more digits than its factorization.

3147440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3147440012 is about 56102.0499803706. The cubic root of 3147440012 is about 1465.4999923367.

Adding to 3147440012 its reverse (2100447413), we get a palindrome (5247887425).

The spelling of 3147440012 in words is "three billion, one hundred forty-seven million, four hundred forty thousand, twelve".