2142531860122 has 32 divisors (see below), whose sum is σ = 3246998019408. Its totient is φ = 1060259106816.

The previous prime is 2142531860069. The next prime is 2142531860129. The reversal of 2142531860122 is 2210681352412.

It is a Cunningham number, because it is equal to 1463739²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 628010285841 + 1514521574281 = 792471^2 + 1230659^2 .

It is not an unprimeable number, because it can be changed into a prime (2142531860129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116073118 + ... + 116091574.

Almost surely, 2^{2142531860122} is an apocalyptic number.

2142531860122 is a deficient number, since it is larger than the sum of its proper divisors (1104466159286).

2142531860122 is a wasteful number, since it uses less digits than its factorization.

2142531860122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20050.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 2142531860122 in words is "two trillion, one hundred forty-two billion, five hundred thirty-one million, eight hundred sixty thousand, one hundred twenty-two".