20122012100120 has 64 divisors (see below), whose sum is σ = 53411423846400. Its totient is φ = 6676427975040.

The previous prime is 20122012100117. The next prime is 20122012100123. The reversal of 20122012100120 is 2100121022102.

It is an interprime number because it is at equal distance from previous prime (20122012100117) and next prime (20122012100123).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20122012100095 and 20122012100104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122012100123) 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, 1159093400 + ... + 1159110759.

It is an arithmetic number, because the mean of its divisors is an integer number (834553497600).

Almost surely, 2^{20122012100120} is an apocalyptic number.

20122012100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122012100120 is an abundant number, since it is smaller than the sum of its proper divisors (33289411746280).

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

20122012100120 is a wasteful number, since it uses less digits than its factorization.

20122012100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318204208 (or 2318204204 counting only the distinct ones).

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

Adding to 20122012100120 its reverse (2100121022102), we get a palindrome (22222133122222).

The spelling of 20122012100120 in words is "twenty trillion, one hundred twenty-two billion, twelve million, one hundred thousand, one hundred twenty".