1251013332202 has 64 divisors (see below), whose sum is σ = 2021424906240. Its totient is φ = 578886436800.

The previous prime is 1251013332187. The next prime is 1251013332223. The reversal of 1251013332202 is 2022333101521.

It is a super-2 number, since 2×1251013332202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328952433 + ... + 328956235.

It is an arithmetic number, because the mean of its divisors is an integer number (31584764160).

Almost surely, 2^{1251013332202} is an apocalyptic number.

1251013332202 is a deficient number, since it is larger than the sum of its proper divisors (770411574038).

1251013332202 is a wasteful number, since it uses less digits than its factorization.

1251013332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1251013332202 its reverse (2022333101521), we get a palindrome (3273346433723).

The spelling of 1251013332202 in words is "one trillion, two hundred fifty-one billion, thirteen million, three hundred thirty-two thousand, two hundred two".