12102012022 has 12 divisors (see below), whose sum is σ = 18656904420. Its totient is φ = 5887463976.

The previous prime is 12102011989. The next prime is 12102012023. The reversal of 12102012022 is 22021020121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102011993 and 12102012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102012023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2207272 + ... + 2212747.

It is an arithmetic number, because the mean of its divisors is an integer number (1554742035).

Almost surely, 2^12102012022 is an apocalyptic number.

12102012022 is a deficient number, since it is larger than the sum of its proper divisors (6554892398).

12102012022 is an equidigital number, since it uses as much as digits as its factorization.

12102012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420095 (or 4420058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12102012022 its reverse (22021020121), we get a palindrome (34123032143).

The spelling of 12102012022 in words is "twelve billion, one hundred two million, twelve thousand, twenty-two".