20120102012122 has 24 divisors (see below), whose sum is σ = 35116456551840. Its totient is φ = 8620707133080.

The previous prime is 20120102012119. The next prime is 20120102012147. The reversal of 20120102012122 is 22121020102102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20120102012096 and 20120102012105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25728622 + ... + 26499097.

It is an arithmetic number, because the mean of its divisors is an integer number (1463185689660).

Almost surely, 2^{20120102012122} is an apocalyptic number.

20120102012122 is a deficient number, since it is larger than the sum of its proper divisors (14996354539718).

20120102012122 is a wasteful number, since it uses less digits than its factorization.

20120102012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52231666 (or 52231659 counting only the distinct ones).

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

Adding to 20120102012122 its reverse (22121020102102), we get a palindrome (42241122114224).

The spelling of 20120102012122 in words is "twenty trillion, one hundred twenty billion, one hundred two million, twelve thousand, one hundred twenty-two".