12574352064 has 112 divisors (see below), whose sum is σ = 33778667520. Its totient is φ = 4127784960.

The previous prime is 12574352051. The next prime is 12574352071. The reversal of 12574352064 is 46025347521.

It is a super-2 number, since 2×12574352064² (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 15 ways as a sum of consecutive naturals, for example, 3775552 + ... + 3778880.

Almost surely, 2^12574352064 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 12574352064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16889333760).

12574352064 is an abundant number, since it is smaller than the sum of its proper divisors (21204315456).

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

12574352064 is a wasteful number, since it uses less digits than its factorization.

12574352064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 12574352064 its reverse (46025347521), we get a palindrome (58599699585).

The spelling of 12574352064 in words is "twelve billion, five hundred seventy-four million, three hundred fifty-two thousand, sixty-four".