202113223312 has 320 divisors, whose sum is σ = 562188017664. Its totient is φ = 67738705920.

The previous prime is 202113223271. The next prime is 202113223393. The reversal of 202113223312 is 213322311202.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 63 ways as a sum of consecutive naturals, for example, 28040413 + ... + 28047619.

Almost surely, 2^202113223312 is an apocalyptic number.

202113223312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202113223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281094008832).

202113223312 is an abundant number, since it is smaller than the sum of its proper divisors (360074794352).

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

202113223312 is a wasteful number, since it uses less digits than its factorization.

202113223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7360 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202113223312 its reverse (213322311202), we get a palindrome (415435534514).

The spelling of 202113223312 in words is "two hundred two billion, one hundred thirteen million, two hundred twenty-three thousand, three hundred twelve".