2122134042 has 24 divisors (see below), whose sum is σ = 4937210496. Its totient is φ = 606323928.

The previous prime is 2122134041. The next prime is 2122134043. The reversal of 2122134042 is 2404312212.

It is an interprime number because it is at equal distance from previous prime (2122134041) and next prime (2122134043).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2122134041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3608778 + ... + 3609365.

It is an arithmetic number, because the mean of its divisors is an integer number (205717104).

Almost surely, 2^2122134042 is an apocalyptic number.

2122134042 is an abundant number, since it is smaller than the sum of its proper divisors (2815076454).

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

2122134042 is a wasteful number, since it uses less digits than its factorization.

2122134042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218162 (or 7218155 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2122134042 is about 46066.6261191331. The cubic root of 2122134042 is about 1285.0625600009.

Adding to 2122134042 its reverse (2404312212), we get a palindrome (4526446254).

The spelling of 2122134042 in words is "two billion, one hundred twenty-two million, one hundred thirty-four thousand, forty-two".