20213302212312 has 64 divisors (see below), whose sum is σ = 56471753439360. Its totient is φ = 5975846918400.

The previous prime is 20213302212263. The next prime is 20213302212317. The reversal of 20213302212312 is 21321220331202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213302212317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933715258 + ... + 933736905.

It is an arithmetic number, because the mean of its divisors is an integer number (882371147490).

Almost surely, 2^{20213302212312} is an apocalyptic number.

20213302212312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20213302212312 is an abundant number, since it is smaller than the sum of its proper divisors (36258451227048).

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

20213302212312 is a wasteful number, since it uses less digits than its factorization.

20213302212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867452224 (or 1867452220 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20213302212312 its reverse (21321220331202), we get a palindrome (41534522543514).

The spelling of 20213302212312 in words is "twenty trillion, two hundred thirteen billion, three hundred two million, two hundred twelve thousand, three hundred twelve".