12120221102022 has 96 divisors (see below), whose sum is σ = 28673462297376. Its totient is φ = 3669505382400.

The previous prime is 12120221101943. The next prime is 12120221102023. The reversal of 12120221102022 is 22020112202121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12120221101986 and 12120221102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120221102023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1287599788 + ... + 1287609200.

It is an arithmetic number, because the mean of its divisors is an integer number (298681898931).

Almost surely, 2^{12120221102022} is an apocalyptic number.

12120221102022 is an abundant number, since it is smaller than the sum of its proper divisors (16553241195354).

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

12120221102022 is a wasteful number, since it uses less digits than its factorization.

12120221102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566 (or 14563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12120221102022 its reverse (22020112202121), we get a palindrome (34140333304143).

The spelling of 12120221102022 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-one million, one hundred two thousand, twenty-two".