2142122242204 has 24 divisors (see below), whose sum is σ = 4286900647008. Its totient is φ = 917483211840.

The previous prime is 2142122242187. The next prime is 2142122242207. The reversal of 2142122242204 is 4022422212412.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142122242207) 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, 23669767 + ... + 23760094.

It is an arithmetic number, because the mean of its divisors is an integer number (178620860292).

Almost surely, 2^{2142122242204} is an apocalyptic number.

It is an amenable number.

2142122242204 is an abundant number, since it is smaller than the sum of its proper divisors (2144778404804).

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

2142122242204 is a wasteful number, since it uses less digits than its factorization.

2142122242204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47431485 (or 47431483 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 2142122242204 its reverse (4022422212412), we get a palindrome (6164544454616).

The spelling of 2142122242204 in words is "two trillion, one hundred forty-two billion, one hundred twenty-two million, two hundred forty-two thousand, two hundred four".