12252570463446 has 128 divisors (see below), whose sum is σ = 26108914083840. Its totient is φ = 3827014464000.

The previous prime is 12252570463423. The next prime is 12252570463447. The reversal of 12252570463446 is 64436407525221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252570463447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1083238131 + ... + 1083249441.

It is an arithmetic number, because the mean of its divisors is an integer number (203975891280).

Almost surely, 2^{12252570463446} is an apocalyptic number.

12252570463446 is an abundant number, since it is smaller than the sum of its proper divisors (13856343620394).

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

12252570463446 is a wasteful number, since it uses less digits than its factorization.

12252570463446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12662.

The product of its (nonzero) digits is 9676800, while the sum is 51.

Adding to 12252570463446 its reverse (64436407525221), we get a palindrome (76688977988667).

The spelling of 12252570463446 in words is "twelve trillion, two hundred fifty-two billion, five hundred seventy million, four hundred sixty-three thousand, four hundred forty-six".