15122212530 has 64 divisors (see below), whose sum is σ = 36559410048. Its totient is φ = 4003084800.

The previous prime is 15122212529. The next prime is 15122212531. The reversal of 15122212530 is 3521222151.

15122212530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15122212529) and next prime (15122212531).

It is a self number, because there is not a number n which added to its sum of digits gives 15122212530.

It is not an unprimeable number, because it can be changed into a prime (15122212531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6360702 + ... + 6363078.

It is an arithmetic number, because the mean of its divisors is an integer number (571240782).

Almost surely, 2^15122212530 is an apocalyptic number.

15122212530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15122212530 is an abundant number, since it is smaller than the sum of its proper divisors (21437197518).

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

15122212530 is a wasteful number, since it uses less digits than its factorization.

15122212530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 15122212530 its reverse (3521222151), we get a palindrome (18643434681).

The spelling of 15122212530 in words is "fifteen billion, one hundred twenty-two million, two hundred twelve thousand, five hundred thirty".