20122101100012 has 24 divisors (see below), whose sum is σ = 35345338378560. Its totient is φ = 10023436609920.

The previous prime is 20122101100001. The next prime is 20122101100039. The reversal of 20122101100012 is 21000110122102.

It is a junction number, because it is equal to n+sod(n) for n = 20122101099965 and 20122101100001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22340814 + ... + 23224042.

It is an arithmetic number, because the mean of its divisors is an integer number (1472722432440).

Almost surely, 2^{20122101100012} is an apocalyptic number.

It is an amenable number.

20122101100012 is a deficient number, since it is larger than the sum of its proper divisors (15223237278548).

20122101100012 is a wasteful number, since it uses less digits than its factorization.

20122101100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904521 (or 904519 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20122101100012 its reverse (21000110122102), we get a palindrome (41122211222114).

The spelling of 20122101100012 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, one hundred thousand, twelve".