15530122212 has 24 divisors (see below), whose sum is σ = 39531220512. Its totient is φ = 4706097600.

The previous prime is 15530122163. The next prime is 15530122243. The reversal of 15530122212 is 21222103551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58826089 + ... + 58826352.

It is an arithmetic number, because the mean of its divisors is an integer number (1647134188).

Almost surely, 2^15530122212 is an apocalyptic number.

15530122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15530122212 is an abundant number, since it is smaller than the sum of its proper divisors (24001098300).

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

15530122212 is a wasteful number, since it uses less digits than its factorization.

15530122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117652459 (or 117652457 counting only the distinct ones).

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

Adding to 15530122212 its reverse (21222103551), we get a palindrome (36752225763).

The spelling of 15530122212 in words is "fifteen billion, five hundred thirty million, one hundred twenty-two thousand, two hundred twelve".