1251312145352 has 32 divisors (see below), whose sum is σ = 2383938254880. Its totient is φ = 615655344000.

The previous prime is 1251312145319. The next prime is 1251312145367. The reversal of 1251312145352 is 2535412131521.

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, 3587333 + ... + 3920660.

It is an arithmetic number, because the mean of its divisors is an integer number (74498070465).

Almost surely, 2^{1251312145352} is an apocalyptic number.

It is an amenable number.

1251312145352 is a deficient number, since it is larger than the sum of its proper divisors (1132626109528).

1251312145352 is a wasteful number, since it uses less digits than its factorization.

1251312145352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508333 (or 7508329 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

Adding to 1251312145352 its reverse (2535412131521), we get a palindrome (3786724276873).

The spelling of 1251312145352 in words is "one trillion, two hundred fifty-one billion, three hundred twelve million, one hundred forty-five thousand, three hundred fifty-two".