12522165015 has 16 divisors (see below), whose sum is σ = 20375049600. Its totient is φ = 6565292832.

The previous prime is 12522165013. The next prime is 12522165037. The reversal of 12522165015 is 51056122521.

It is not a de Polignac number, because 12522165015 - 2¹ = 12522165013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522165013) 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, 7073785 + ... + 7075554.

It is an arithmetic number, because the mean of its divisors is an integer number (1273440600).

Almost surely, 2^12522165015 is an apocalyptic number.

12522165015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12522165015 is a deficient number, since it is larger than the sum of its proper divisors (7852884585).

12522165015 is a wasteful number, since it uses less digits than its factorization.

12522165015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14149406.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 12522165015 its reverse (51056122521), we get a palindrome (63578287536).

The spelling of 12522165015 in words is "twelve billion, five hundred twenty-two million, one hundred sixty-five thousand, fifteen".