15212942670672 has 80 divisors (see below), whose sum is σ = 43746610146880. Its totient is φ = 5061710279808.

The previous prime is 15212942670671. The next prime is 15212942670683. The reversal of 15212942670672 is 27607624921251.

It is a happy number.

15212942670672 is a `hidden beast` number, since 1 + 5 + 21 + 294 + 267 + 0 + 6 + 72 = 666.

It is a super-3 number, since 3×15212942670672³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212942670671) 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, 31953043 + ... + 32425650.

It is an arithmetic number, because the mean of its divisors is an integer number (546832626836).

Almost surely, 2^{15212942670672} is an apocalyptic number.

15212942670672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15212942670672 is an abundant number, since it is smaller than the sum of its proper divisors (28533667476208).

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

15212942670672 is a wasteful number, since it uses less digits than its factorization.

15212942670672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64379257 (or 64379245 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 15212942670672 in words is "fifteen trillion, two hundred twelve billion, nine hundred forty-two million, six hundred seventy thousand, six hundred seventy-two".