1252513402266 has 64 divisors (see below), whose sum is σ = 3014076856320. Its totient is φ = 338968722240.

The previous prime is 1252513402249. The next prime is 1252513402267. The reversal of 1252513402266 is 6622043152521.

It is not an unprimeable number, because it can be changed into a prime (1252513402267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4687531 + ... + 4947521.

It is an arithmetic number, because the mean of its divisors is an integer number (47094950880).

Almost surely, 2^{1252513402266} is an apocalyptic number.

1252513402266 is an abundant number, since it is smaller than the sum of its proper divisors (1761563454054).

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

1252513402266 is a wasteful number, since it uses less digits than its factorization.

1252513402266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266059.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 1252513402266 its reverse (6622043152521), we get a palindrome (7874556554787).

The spelling of 1252513402266 in words is "one trillion, two hundred fifty-two billion, five hundred thirteen million, four hundred two thousand, two hundred sixty-six".