3145312135412 has 24 divisors (see below), whose sum is σ = 5758516471680. Its totient is φ = 1501653947840.

The previous prime is 3145312135393. The next prime is 3145312135451. The reversal of 3145312135412 is 2145312135413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204021362 + ... + 204036777.

It is an arithmetic number, because the mean of its divisors is an integer number (239938186320).

Almost surely, 2^{3145312135412} is an apocalyptic number.

It is an amenable number.

3145312135412 is a deficient number, since it is larger than the sum of its proper divisors (2613204336268).

3145312135412 is a wasteful number, since it uses less digits than its factorization.

3145312135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408058231 (or 408058229 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Subtracting from 3145312135412 its reverse (2145312135413), we obtain a palindrome (999999999999).

The spelling of 3145312135412 in words is "three trillion, one hundred forty-five billion, three hundred twelve million, one hundred thirty-five thousand, four hundred twelve".