20331121302212 has 24 divisors (see below), whose sum is σ = 41973927851520. Its totient is φ = 8432262290880.

The previous prime is 20331121302203. The next prime is 20331121302329. The reversal of 20331121302212 is 21220312113302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11711474537 + ... + 11711476272.

It is an arithmetic number, because the mean of its divisors is an integer number (1748913660480).

Almost surely, 2^{20331121302212} is an apocalyptic number.

It is an amenable number.

20331121302212 is an abundant number, since it is smaller than the sum of its proper divisors (21642806549308).

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

20331121302212 is a wasteful number, since it uses less digits than its factorization.

20331121302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23422950851 (or 23422950849 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20331121302212 its reverse (21220312113302), we get a palindrome (41551433415514).

The spelling of 20331121302212 in words is "twenty trillion, three hundred thirty-one billion, one hundred twenty-one million, three hundred two thousand, two hundred twelve".