12252497480 has 32 divisors (see below), whose sum is σ = 27571606200. Its totient is φ = 4900379136.

The previous prime is 12252497473. The next prime is 12252497507. The reversal of 12252497480 is 8479425221.

It is a Cunningham number, because it is equal to 110691²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 3064508164 + 9187989316 = 55358^2 + 95854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428924 + ... + 456596.

Almost surely, 2^12252497480 is an apocalyptic number.

12252497480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252497480 is an abundant number, since it is smaller than the sum of its proper divisors (15319108720).

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

12252497480 is a wasteful number, since it uses less digits than its factorization.

12252497480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38753 (or 38749 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 12252497480 in words is "twelve billion, two hundred fifty-two million, four hundred ninety-seven thousand, four hundred eighty".