20112202202312 has 64 divisors (see below), whose sum is σ = 41325850944000. Its totient is φ = 9100303280640.

The previous prime is 20112202202233. The next prime is 20112202202357. The reversal of 20112202202312 is 21320220221102.

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 15 ways as a sum of consecutive naturals, for example, 426543314 + ... + 426590462.

It is an arithmetic number, because the mean of its divisors is an integer number (645716421000).

Almost surely, 2^{20112202202312} is an apocalyptic number.

20112202202312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20112202202312 is an abundant number, since it is smaller than the sum of its proper divisors (21213648741688).

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

20112202202312 is a wasteful number, since it uses less digits than its factorization.

20112202202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69126 (or 69122 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20112202202312 its reverse (21320220221102), we get a palindrome (41432422423414).

The spelling of 20112202202312 in words is "twenty trillion, one hundred twelve billion, two hundred two million, two hundred two thousand, three hundred twelve".