3812122666158 has 64 divisors (see below), whose sum is σ = 8484321646080. Its totient is φ = 1135731750912.

The previous prime is 3812122666153. The next prime is 3812122666267. The reversal of 3812122666158 is 8516662212183.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3812122666158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812122666151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5519035 + ... + 6171222.

It is an arithmetic number, because the mean of its divisors is an integer number (132567525720).

Almost surely, 2^{3812122666158} is an apocalyptic number.

3812122666158 is an abundant number, since it is smaller than the sum of its proper divisors (4672198979922).

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

3812122666158 is a wasteful number, since it uses less digits than its factorization.

3812122666158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690441.

The product of its digits is 1658880, while the sum is 51.

The spelling of 3812122666158 in words is "three trillion, eight hundred twelve billion, one hundred twenty-two million, six hundred sixty-six thousand, one hundred fifty-eight".