20200122120112 has 20 divisors (see below), whose sum is σ = 42695712663336. Its totient is φ = 9181873690880.

The previous prime is 20200122120103. The next prime is 20200122120187. The reversal of 20200122120112 is 21102122100202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57386710393 + ... + 57386710744.

Almost surely, 2^{20200122120112} is an apocalyptic number.

20200122120112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20200122120112 is an abundant number, since it is smaller than the sum of its proper divisors (22495590543224).

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

20200122120112 is a wasteful number, since it uses less digits than its factorization.

20200122120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114773421156 (or 114773421150 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20200122120112 its reverse (21102122100202), we get a palindrome (41302244220314).

The spelling of 20200122120112 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twelve".