12012021101022 has 32 divisors (see below), whose sum is σ = 24175648675584. Its totient is φ = 3978754665600.

The previous prime is 12012021101009. The next prime is 12012021101029. The reversal of 12012021101022 is 22010112021021.

It is a super-2 number, since 2×12012021101022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012021100992 and 12012021101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012021101029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206697 + ... + 5047787.

It is an arithmetic number, because the mean of its divisors is an integer number (755489021112).

Almost surely, 2^{12012021101022} is an apocalyptic number.

12012021101022 is an abundant number, since it is smaller than the sum of its proper divisors (12163627574562).

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

12012021101022 is a wasteful number, since it uses less digits than its factorization.

12012021101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844384.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012021101022 its reverse (22010112021021), we get a palindrome (34022133122043).

The spelling of 12012021101022 in words is "twelve trillion, twelve billion, twenty-one million, one hundred one thousand, twenty-two".