21612037010614 has 16 divisors (see below), whose sum is σ = 34426854575568. Its totient is φ = 10140191212032.

The previous prime is 21612037010611. The next prime is 21612037010623. The reversal of 21612037010614 is 41601073021612.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 21612037010614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21612037010611) 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, 943086684 + ... + 943109599.

It is an arithmetic number, because the mean of its divisors is an integer number (2151678410973).

Almost surely, 2^{21612037010614} is an apocalyptic number.

21612037010614 is a deficient number, since it is larger than the sum of its proper divisors (12814817564954).

21612037010614 is a wasteful number, since it uses less digits than its factorization.

21612037010614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886196639.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 21612037010614 in words is "twenty-one trillion, six hundred twelve billion, thirty-seven million, ten thousand, six hundred fourteen".