202031443510212 has 12 divisors (see below), whose sum is σ = 471406701523856. Its totient is φ = 67343814503400.

The previous prime is 202031443510189. The next prime is 202031443510217. The reversal of 202031443510212 is 212015344130202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 202031443510212.

It is not an unprimeable number, because it can be changed into a prime (202031443510217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8417976812914 + ... + 8417976812937.

Almost surely, 2^{202031443510212} is an apocalyptic number.

It is an amenable number.

202031443510212 is an abundant number, since it is smaller than the sum of its proper divisors (269375258013644).

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

202031443510212 is a wasteful number, since it uses less digits than its factorization.

202031443510212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835953625858 (or 16835953625856 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 202031443510212 its reverse (212015344130202), we get a palindrome (414046787640414).

The spelling of 202031443510212 in words is "two hundred two trillion, thirty-one billion, four hundred forty-three million, five hundred ten thousand, two hundred twelve".