12120100022022 has 64 divisors (see below), whose sum is σ = 25202741760000. Its totient is φ = 3881036976768.

The previous prime is 12120100021999. The next prime is 12120100022027. The reversal of 12120100022022 is 22022000102121.

It is a junction number, because it is equal to n+sod(n) for n = 12120100021992 and 12120100022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120100022027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69329479 + ... + 69504077.

It is an arithmetic number, because the mean of its divisors is an integer number (393792840000).

Almost surely, 2^{12120100022022} is an apocalyptic number.

12120100022022 is an abundant number, since it is smaller than the sum of its proper divisors (13082641737978).

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

12120100022022 is a wasteful number, since it uses less digits than its factorization.

12120100022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176645.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12120100022022 its reverse (22022000102121), we get a palindrome (34142100124143).

The spelling of 12120100022022 in words is "twelve trillion, one hundred twenty billion, one hundred million, twenty-two thousand, twenty-two".