12502222455 has 16 divisors (see below), whose sum is σ = 20491448544. Its totient is φ = 6505221120.

The previous prime is 12502222441. The next prime is 12502222457. The reversal of 12502222455 is 55422220521.

It is not a de Polignac number, because 12502222455 - 2⁶ = 12502222391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502222457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10163794 + ... + 10165023.

It is an arithmetic number, because the mean of its divisors is an integer number (1280715534).

Almost surely, 2^12502222455 is an apocalyptic number.

12502222455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12502222455 is a deficient number, since it is larger than the sum of its proper divisors (7989226089).

12502222455 is a wasteful number, since it uses less digits than its factorization.

12502222455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20328866.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 12502222455 its reverse (55422220521), we get a palindrome (67924442976).

The spelling of 12502222455 in words is "twelve billion, five hundred two million, two hundred twenty-two thousand, four hundred fifty-five".