3121065630752 has 12 divisors (see below), whose sum is σ = 6144597960606. Its totient is φ = 1560532815360.

The previous prime is 3121065630733. The next prime is 3121065630769. The reversal of 3121065630752 is 2570365601213.

It can be written as a sum of positive squares in only one way, i.e., 2956460158096 + 164605472656 = 1719436^2 + 405716^2 .

It is a super-2 number, since 2×3121065630752² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48766650449 + ... + 48766650512.

Almost surely, 2^{3121065630752} is an apocalyptic number.

3121065630752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3121065630752 is a deficient number, since it is larger than the sum of its proper divisors (3023532329854).

3121065630752 is an equidigital number, since it uses as much as digits as its factorization.

3121065630752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97533300971 (or 97533300963 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 3121065630752 in words is "three trillion, one hundred twenty-one billion, sixty-five million, six hundred thirty thousand, seven hundred fifty-two".