2142251422012 has 24 divisors (see below), whose sum is σ = 4063035417056. Its totient is φ = 982433769408.

The previous prime is 2142251422009. The next prime is 2142251422063. The reversal of 2142251422012 is 2102241522412.

It is a super-2 number, since 2×2142251422012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131192928 + ... + 131209255.

Almost surely, 2^{2142251422012} is an apocalyptic number.

It is an amenable number.

2142251422012 is a deficient number, since it is larger than the sum of its proper divisors (1920783995044).

2142251422012 is a wasteful number, since it uses less digits than its factorization.

2142251422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262402357 (or 262402355 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 2142251422012 its reverse (2102241522412), we get a palindrome (4244492944424).

The spelling of 2142251422012 in words is "two trillion, one hundred forty-two billion, two hundred fifty-one million, four hundred twenty-two thousand, twelve".