12532740426 has 12 divisors (see below), whose sum is σ = 27154270962. Its totient is φ = 4177580136.

The previous prime is 12532740413. The next prime is 12532740433. The reversal of 12532740426 is 62404723521.

12532740426 is a `hidden beast` number, since 12 + 532 + 74 + 0 + 42 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9911198025 + 2621542401 = 99555^2 + 51201^2 .

It is a super-2 number, since 2×12532740426² (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 5 ways as a sum of consecutive naturals, for example, 348131661 + ... + 348131696.

Almost surely, 2^12532740426 is an apocalyptic number.

12532740426 is an abundant number, since it is smaller than the sum of its proper divisors (14621530536).

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

12532740426 is a wasteful number, since it uses less digits than its factorization.

12532740426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696263365 (or 696263362 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 12532740426 in words is "twelve billion, five hundred thirty-two million, seven hundred forty thousand, four hundred twenty-six".