12252612315140 has 24 divisors (see below), whose sum is σ = 25786300384152. Its totient is φ = 4890413588480.

The previous prime is 12252612315121. The next prime is 12252612315187. The reversal of 12252612315140 is 4151321625221.

It can be written as a sum of positive squares in 4 ways, for example, as 1496888628676 + 10755723686464 = 1223474^2 + 3279592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12252612315140.

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, 664449149 + ... + 664467588.

It is an arithmetic number, because the mean of its divisors is an integer number (1074429182673).

Almost surely, 2^{12252612315140} is an apocalyptic number.

12252612315140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252612315140 is an abundant number, since it is smaller than the sum of its proper divisors (13533688069012).

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

12252612315140 is a wasteful number, since it uses less digits than its factorization.

12252612315140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328917207 (or 1328917205 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 12252612315140 in words is "twelve trillion, two hundred fifty-two billion, six hundred twelve million, three hundred fifteen thousand, one hundred forty".