3157323330012 has 12 divisors (see below), whose sum is σ = 7367087770056. Its totient is φ = 1052441110000.

The previous prime is 3157323329983. The next prime is 3157323330079. The reversal of 3157323330012 is 2100333237513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3157323330012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 131555138739 + ... + 131555138762.

It is an arithmetic number, because the mean of its divisors is an integer number (613923980838).

Almost surely, 2^{3157323330012} is an apocalyptic number.

It is an amenable number.

3157323330012 is an abundant number, since it is smaller than the sum of its proper divisors (4209764440044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157323330012 is a wasteful number, since it uses less digits than its factorization.

3157323330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263110277508 (or 263110277506 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 33.

Adding to 3157323330012 its reverse (2100333237513), we get a palindrome (5257656567525).

The spelling of 3157323330012 in words is "three trillion, one hundred fifty-seven billion, three hundred twenty-three million, three hundred thirty thousand, twelve".