12212022015 has 24 divisors (see below), whose sum is σ = 21171394608. Its totient is φ = 6511881600.

The previous prime is 12212022001. The next prime is 12212022037. The reversal of 12212022015 is 51022021221.

It is not a de Polignac number, because 12212022015 - 2⁴ = 12212021999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257940 + ... + 301590.

It is an arithmetic number, because the mean of its divisors is an integer number (882141442).

Almost surely, 2^12212022015 is an apocalyptic number.

12212022015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12212022015 is a deficient number, since it is larger than the sum of its proper divisors (8959372593).

12212022015 is a wasteful number, since it uses less digits than its factorization.

12212022015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49879 (or 49876 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 12212022015 its reverse (51022021221), we get a palindrome (63234043236).

The spelling of 12212022015 in words is "twelve billion, two hundred twelve million, twenty-two thousand, fifteen".