7966220313512 has 32 divisors (see below), whose sum is σ = 14963705164800. Its totient is φ = 3975902858304.

The previous prime is 7966220313511. The next prime is 7966220313581. The reversal of 7966220313512 is 2153130226697.

It is a super-2 number, since 2×7966220313512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7966220313511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16129289 + ... + 16615847.

It is an arithmetic number, because the mean of its divisors is an integer number (467615786400).

Almost surely, 2^{7966220313512} is an apocalyptic number.

It is an amenable number.

7966220313512 is a deficient number, since it is larger than the sum of its proper divisors (6997484851288).

7966220313512 is a wasteful number, since it uses less digits than its factorization.

7966220313512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490265 (or 490261 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 7966220313512 in words is "seven trillion, nine hundred sixty-six billion, two hundred twenty million, three hundred thirteen thousand, five hundred twelve".