216872424278612 has 12 divisors (see below), whose sum is σ = 383073721390080. Its totient is φ = 107422789595736.

The previous prime is 216872424278611. The next prime is 216872424278617.

216872424278612 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216872424278611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253355635412 + ... + 253355636267.

It is an arithmetic number, because the mean of its divisors is an integer number (31922810115840).

Almost surely, 2^{216872424278612} is an apocalyptic number.

It is an amenable number.

216872424278612 is a deficient number, since it is larger than the sum of its proper divisors (166201297111468).

216872424278612 is a wasteful number, since it uses less digits than its factorization.

216872424278612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506711271790 (or 506711271788 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 62.

The spelling of 216872424278612 in words is "two hundred sixteen trillion, eight hundred seventy-two billion, four hundred twenty-four million, two hundred seventy-eight thousand, six hundred twelve".