20000212112120 has 32 divisors (see below), whose sum is σ = 45054113176800. Its totient is φ = 7990549569408.

The previous prime is 20000212112107. The next prime is 20000212112129. The reversal of 20000212112120 is 2121121200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000212112095 and 20000212112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000212112129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297943379 + ... + 298010498.

It is an arithmetic number, because the mean of its divisors is an integer number (1407941036775).

Almost surely, 2^{20000212112120} is an apocalyptic number.

20000212112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000212112120 is an abundant number, since it is smaller than the sum of its proper divisors (25053901064680).

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

20000212112120 is a wasteful number, since it uses less digits than its factorization.

20000212112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595954727 (or 595954723 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000212112120 its reverse (2121121200002), we get a palindrome (22121333312122).

The spelling of 20000212112120 in words is "twenty trillion, two hundred twelve million, one hundred twelve thousand, one hundred twenty".