15212214284116 has 24 divisors (see below), whose sum is σ = 27439312380480. Its totient is φ = 7374993028032.

The previous prime is 15212214284053. The next prime is 15212214284117. The reversal of 15212214284116 is 61148241221251.

It is a super-2 number, since 2×15212214284116² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212214284117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322761496 + ... + 322808623.

It is an arithmetic number, because the mean of its divisors is an integer number (1143304682520).

Almost surely, 2^{15212214284116} is an apocalyptic number.

It is an amenable number.

15212214284116 is a deficient number, since it is larger than the sum of its proper divisors (12227098096364).

15212214284116 is a wasteful number, since it uses less digits than its factorization.

15212214284116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645570303 (or 645570301 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The spelling of 15212214284116 in words is "fifteen trillion, two hundred twelve billion, two hundred fourteen million, two hundred eighty-four thousand, one hundred sixteen".