12012111101022 has 128 divisors (see below), whose sum is σ = 26279213875200. Its totient is φ = 3647875077504.

The previous prime is 12012111101021. The next prime is 12012111101051. The reversal of 12012111101022 is 22010111121021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012111100992 and 12012111101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012111101021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87279979 + ... + 87417497.

It is an arithmetic number, because the mean of its divisors is an integer number (205306358400).

Almost surely, 2^{12012111101022} is an apocalyptic number.

12012111101022 is an abundant number, since it is smaller than the sum of its proper divisors (14267102774178).

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

12012111101022 is a wasteful number, since it uses less digits than its factorization.

12012111101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137862.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12012111101022 its reverse (22010111121021), we get a palindrome (34022222222043).

The spelling of 12012111101022 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred one thousand, twenty-two".