202012652787142 has 16 divisors (see below), whose sum is σ = 313091967888000. Its totient is φ = 97654875635520.

The previous prime is 202012652787139. The next prime is 202012652787149. The reversal of 202012652787142 is 241787256210202.

It is a super-2 number, since 2×202012652787142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012652787149) 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, 1552970517 + ... + 1553100592.

It is an arithmetic number, because the mean of its divisors is an integer number (19568247993000).

Almost surely, 2^{202012652787142} is an apocalyptic number.

202012652787142 is a deficient number, since it is larger than the sum of its proper divisors (111079315100858).

202012652787142 is a wasteful number, since it uses less digits than its factorization.

202012652787142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106072191.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 202012652787142 in words is "two hundred two trillion, twelve billion, six hundred fifty-two million, seven hundred eighty-seven thousand, one hundred forty-two".