12011102122 has 8 divisors (see below), whose sum is σ = 18024227172. Its totient is φ = 6003026400.

The previous prime is 12011102119. The next prime is 12011102141. The reversal of 12011102122 is 22120111021.

It can be written as a sum of positive squares in 2 ways, for example, as 11970766921 + 40335201 = 109411^2 + 6351^2 .

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

It is a super-2 number, since 2×12011102122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256379 + ... + 1265902.

Almost surely, 2^12011102122 is an apocalyptic number.

12011102122 is a deficient number, since it is larger than the sum of its proper divisors (6013125050).

12011102122 is a wasteful number, since it uses less digits than its factorization.

12011102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524664.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011102122 its reverse (22120111021), we get a palindrome (34131213143).

It can be divided in two parts, 120111021 and 22, that multiplied together give a palindrome (2642442462).

The spelling of 12011102122 in words is "twelve billion, eleven million, one hundred two thousand, one hundred twenty-two".