20122102101200 has 120 divisors (see below), whose sum is σ = 55031165833536. Its totient is φ = 6998992000000.

The previous prime is 20122102101193. The next prime is 20122102101229. The reversal of 20122102101200 is 210120122102.

It is a super-2 number, since 2×20122102101200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99316301 + ... + 99518700.

Almost surely, 2^{20122102101200} is an apocalyptic number.

20122102101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122102101200 is an abundant number, since it is smaller than the sum of its proper divisors (34909063732336).

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

20122102101200 is a wasteful number, since it uses less digits than its factorization.

20122102101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198835053 (or 198835042 counting only the distinct ones).

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

Adding to 20122102101200 its reverse (210120122102), we get a palindrome (20332222223302).

The spelling of 20122102101200 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, one hundred one thousand, two hundred".