12102022121 has 16 divisors (see below), whose sum is σ = 14071294080. Its totient is φ = 10193003520.

The previous prime is 12102022109. The next prime is 12102022129. The reversal of 12102022121 is 12122020121.

It is a de Polignac number, because none of the positive numbers 2^k-12102022121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102022096 and 12102022105.

It is not an unprimeable number, because it can be changed into a prime (12102022129) 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, 1290911 + ... + 1300251.

It is an arithmetic number, because the mean of its divisors is an integer number (879455880).

Almost surely, 2^12102022121 is an apocalyptic number.

It is an amenable number.

12102022121 is a deficient number, since it is larger than the sum of its proper divisors (1969271959).

12102022121 is an equidigital number, since it uses as much as digits as its factorization.

12102022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12102022121 its reverse (12122020121), we get a palindrome (24224042242).

The spelling of 12102022121 in words is "twelve billion, one hundred two million, twenty-two thousand, one hundred twenty-one".