42226406665612 has 12 divisors (see below), whose sum is σ = 79580535639136. Its totient is φ = 19489110768720.

The previous prime is 42226406665589. The next prime is 42226406665697. The reversal of 42226406665612 is 21656660462224.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 812046282031 = 42226406665612 / (4 + 2 + 2 + 2 + 6 + 4 + 0 + 6 + 6 + 6 + 5 + 6 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 42226406665612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406023140964 + ... + 406023141067.

Almost surely, 2^{42226406665612} is an apocalyptic number.

It is an amenable number.

42226406665612 is a deficient number, since it is larger than the sum of its proper divisors (37354128973524).

42226406665612 is a wasteful number, since it uses less digits than its factorization.

42226406665612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812046282048 (or 812046282046 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 42226406665612 in words is "forty-two trillion, two hundred twenty-six billion, four hundred six million, six hundred sixty-five thousand, six hundred twelve".