12101122010122 has 8 divisors (see below), whose sum is σ = 18154417957956. Its totient is φ = 6049649357472.

The previous prime is 12101122010119. The next prime is 12101122010129. The reversal of 12101122010122 is 22101022110121.

It can be written as a sum of positive squares in 2 ways, for example, as 8629194127401 + 3471927882721 = 2937549^2 + 1863311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12101122010122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101122010096 and 12101122010105.

It is not an unprimeable number, because it can be changed into a prime (12101122010129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455807203 + ... + 455833750.

Almost surely, 2^{12101122010122} is an apocalyptic number.

12101122010122 is a deficient number, since it is larger than the sum of its proper divisors (6053295947834).

12101122010122 is an equidigital number, since it uses as much as digits as its factorization.

12101122010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911647592.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12101122010122 its reverse (22101022110121), we get a palindrome (34202144120243).

Subtracting 12101122010122 from its reverse (22101022110121), we obtain a palindrome (9999900099999).

The spelling of 12101122010122 in words is "twelve trillion, one hundred one billion, one hundred twenty-two million, ten thousand, one hundred twenty-two".