1356304212172 has 96 divisors (see below), whose sum is σ = 3093603287040. Its totient is φ = 504917038080.

The previous prime is 1356304212139. The next prime is 1356304212229. The reversal of 1356304212172 is 2712124036531.

It is a super-2 number, since 2×1356304212172² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50672529 + ... + 50699287.

It is an arithmetic number, because the mean of its divisors is an integer number (32225034240).

Almost surely, 2^{1356304212172} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356304212172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546801643520).

1356304212172 is an abundant number, since it is smaller than the sum of its proper divisors (1737299074868).

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

1356304212172 is a wasteful number, since it uses less digits than its factorization.

1356304212172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34991 (or 34989 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 1356304212172 in words is "one trillion, three hundred fifty-six billion, three hundred four million, two hundred twelve thousand, one hundred seventy-two".