1252430354500 has 72 divisors (see below), whose sum is σ = 2961901647432. Its totient is φ = 462435792000.

The previous prime is 1252430354491. The next prime is 1252430354521. The reversal of 1252430354500 is 54530342521.

It can be written as a sum of positive squares in 12 ways, for example, as 938635444224 + 313794910276 = 968832^2 + 560174^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7326331 + ... + 7495330.

It is an arithmetic number, because the mean of its divisors is an integer number (41137522881).

Almost surely, 2^{1252430354500} is an apocalyptic number.

1252430354500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252430354500 is an abundant number, since it is smaller than the sum of its proper divisors (1709471292932).

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

1252430354500 is a wasteful number, since it uses less digits than its factorization.

1252430354500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14821706 (or 14821681 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 1252430354500 in words is "one trillion, two hundred fifty-two billion, four hundred thirty million, three hundred fifty-four thousand, five hundred".