1296393542722 has 16 divisors (see below), whose sum is σ = 1973957038272. Its totient is φ = 638426179440.

The previous prime is 1296393542687. The next prime is 1296393542723. The reversal of 1296393542722 is 2272453936921.

It is a super-2 number, since 2×1296393542722² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1296393542723) 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, 4436928 + ... + 4720075.

It is an arithmetic number, because the mean of its divisors is an integer number (123372314892).

Almost surely, 2^{1296393542722} is an apocalyptic number.

1296393542722 is a deficient number, since it is larger than the sum of its proper divisors (677563495550).

1296393542722 is an equidigital number, since it uses as much as digits as its factorization.

1296393542722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158073.

The product of its digits is 9797760, while the sum is 55.

The spelling of 1296393542722 in words is "one trillion, two hundred ninety-six billion, three hundred ninety-three million, five hundred forty-two thousand, seven hundred twenty-two".