1252011443202 has 48 divisors (see below), whose sum is σ = 2951477201400. Its totient is φ = 381262795776.

The previous prime is 1252011443143. The next prime is 1252011443231. The reversal of 1252011443202 is 2023441102521.

1252011443202 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 0 + 11 + 443 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 856067207121 + 395944236081 = 925239^2 + 629241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27557077 + ... + 27602472.

Almost surely, 2^{1252011443202} is an apocalyptic number.

1252011443202 is an abundant number, since it is smaller than the sum of its proper divisors (1699465758198).

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

1252011443202 is a wasteful number, since it uses less digits than its factorization.

1252011443202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55159667 (or 55159664 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1252011443202 its reverse (2023441102521), we get a palindrome (3275452545723).

The spelling of 1252011443202 in words is "one trillion, two hundred fifty-two billion, eleven million, four hundred forty-three thousand, two hundred two".