12012223201022 has 128 divisors (see below), whose sum is σ = 22335382402560. Its totient is φ = 4773596405760.

The previous prime is 12012223201009. The next prime is 12012223201049. The reversal of 12012223201022 is 22010232221021.

It is a junction number, because it is equal to n+sod(n) for n = 12012223200985 and 12012223201003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 657942518 + ... + 657960774.

It is an arithmetic number, because the mean of its divisors is an integer number (174495175020).

Almost surely, 2^{12012223201022} is an apocalyptic number.

12012223201022 is a deficient number, since it is larger than the sum of its proper divisors (10323159201538).

12012223201022 is a wasteful number, since it uses less digits than its factorization.

12012223201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12012223201022 its reverse (22010232221021), we get a palindrome (34022455422043).

The spelling of 12012223201022 in words is "twelve trillion, twelve billion, two hundred twenty-three million, two hundred one thousand, twenty-two".