202112132120 has 32 divisors (see below), whose sum is σ = 455095108800. Its totient is φ = 80783908608.

The previous prime is 202112132087. The next prime is 202112132147. The reversal of 202112132120 is 21231211202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850765 + ... + 1956924.

It is an arithmetic number, because the mean of its divisors is an integer number (14221722150).

Almost surely, 2^202112132120 is an apocalyptic number.

202112132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112132120 is an abundant number, since it is smaller than the sum of its proper divisors (252982976680).

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

202112132120 is a wasteful number, since it uses less digits than its factorization.

202112132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809027 (or 3809023 counting only the distinct ones).

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

Adding to 202112132120 its reverse (21231211202), we get a palindrome (223343343322).

The spelling of 202112132120 in words is "two hundred two billion, one hundred twelve million, one hundred thirty-two thousand, one hundred twenty".