1312618061684 has 24 divisors (see below), whose sum is σ = 2397002854848. Its totient is φ = 627761249280.

The previous prime is 1312618061653. The next prime is 1312618061687. The reversal of 1312618061684 is 4861608162131.

It is a super-2 number, since 2×1312618061684² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312618061687) 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, 5792564 + ... + 6014900.

It is an arithmetic number, because the mean of its divisors is an integer number (99875118952).

Almost surely, 2^{1312618061684} is an apocalyptic number.

It is an amenable number.

1312618061684 is a deficient number, since it is larger than the sum of its proper divisors (1084384793164).

1312618061684 is a wasteful number, since it uses less digits than its factorization.

1312618061684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286535 (or 286533 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 1312618061684 in words is "one trillion, three hundred twelve billion, six hundred eighteen million, sixty-one thousand, six hundred eighty-four".