202121330132112 has 80 divisors (see below), whose sum is σ = 534293153579328. Its totient is φ = 65806521500160.

The previous prime is 202121330132083. The next prime is 202121330132149. The reversal of 202121330132112 is 211231033121202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577623318 + ... + 577973130.

Almost surely, 2^{202121330132112} is an apocalyptic number.

It is an amenable number.

202121330132112 is an abundant number, since it is smaller than the sum of its proper divisors (332171823447216).

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

202121330132112 is a wasteful number, since it uses less digits than its factorization.

202121330132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629808 (or 629802 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 202121330132112 its reverse (211231033121202), we get a palindrome (413352363253314).

The spelling of 202121330132112 in words is "two hundred two trillion, one hundred twenty-one billion, three hundred thirty million, one hundred thirty-two thousand, one hundred twelve".