12252733490 has 24 divisors (see below), whose sum is σ = 23276806380. Its totient is φ = 4643139744.

The previous prime is 12252733457. The next prime is 12252733501. The reversal of 12252733490 is 9433725221.

It can be written as a sum of positive squares in 2 ways, for example, as 11757715489 + 495018001 = 108433^2 + 22249^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693445 + ... + 1700664.

Almost surely, 2^12252733490 is an apocalyptic number.

12252733490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12252733490 is a deficient number, since it is larger than the sum of its proper divisors (11024072890).

12252733490 is a wasteful number, since it uses less digits than its factorization.

12252733490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394154 (or 3394135 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 12252733490 in words is "twelve billion, two hundred fifty-two million, seven hundred thirty-three thousand, four hundred ninety".