202112121032 has 32 divisors (see below), whose sum is σ = 406903461120. Its totient is φ = 93771982080.

The previous prime is 202112121031. The next prime is 202112121053. The reversal of 202112121032 is 230121211202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 202112121032.

It is not an unprimeable number, because it can be changed into a prime (202112121031) 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, 10455968 + ... + 10475279.

It is an arithmetic number, because the mean of its divisors is an integer number (12715733160).

Almost surely, 2^202112121032 is an apocalyptic number.

It is an amenable number.

202112121032 is an abundant number, since it is smaller than the sum of its proper divisors (204791340088).

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

202112121032 is a wasteful number, since it uses less digits than its factorization.

202112121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931341 (or 20931337 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202112121032 its reverse (230121211202), we get a palindrome (432233332234).

The spelling of 202112121032 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, thirty-two".