12746022064 has 20 divisors (see below), whose sum is σ = 24698208400. Its totient is φ = 6372290880.

The previous prime is 12746022043. The next prime is 12746022083. The reversal of 12746022064 is 46022064721.

It is a super-2 number, since 2×12746022064² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119149 + ... + 199219.

It is an arithmetic number, because the mean of its divisors is an integer number (1234910420).

Almost surely, 2^12746022064 is an apocalyptic number.

It is an amenable number.

12746022064 is a deficient number, since it is larger than the sum of its proper divisors (11952186336).

12746022064 is an equidigital number, since it uses as much as digits as its factorization.

12746022064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90028 (or 90022 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 12746022064 its reverse (46022064721), we get a palindrome (58768086785).

The spelling of 12746022064 in words is "twelve billion, seven hundred forty-six million, twenty-two thousand, sixty-four".