22021203010312 has 64 divisors (see below), whose sum is σ = 47097505935360. Its totient is φ = 9554935790400.

The previous prime is 22021203010309. The next prime is 22021203010319. The reversal of 22021203010312 is 21301030212022.

It is a self number, because there is not a number n which added to its sum of digits gives 22021203010312.

It is not an unprimeable number, because it can be changed into a prime (22021203010319) 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, 10085688 + ... + 12073255.

It is an arithmetic number, because the mean of its divisors is an integer number (735898530240).

Almost surely, 2^{22021203010312} is an apocalyptic number.

22021203010312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22021203010312 is an abundant number, since it is smaller than the sum of its proper divisors (25076302925048).

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

22021203010312 is a wasteful number, since it uses less digits than its factorization.

22021203010312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22159474 (or 22159470 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22021203010312 its reverse (21301030212022), we get a palindrome (43322233222334).

The spelling of 22021203010312 in words is "twenty-two trillion, twenty-one billion, two hundred three million, ten thousand, three hundred twelve".