20212323100112 has 80 divisors (see below), whose sum is σ = 47077718791488. Its totient is φ = 8283469501440.

The previous prime is 20212323100111. The next prime is 20212323100157. The reversal of 20212323100112 is 21100132321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212323100111) 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, 102623213 + ... + 102819980.

Almost surely, 2^{20212323100112} is an apocalyptic number.

20212323100112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20212323100112 is an abundant number, since it is smaller than the sum of its proper divisors (26865395691376).

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

20212323100112 is a wasteful number, since it uses less digits than its factorization.

20212323100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205443268 (or 205443262 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20212323100112 its reverse (21100132321202), we get a palindrome (41312455421314).

The spelling of 20212323100112 in words is "twenty trillion, two hundred twelve billion, three hundred twenty-three million, one hundred thousand, one hundred twelve".