12012102122 has 8 divisors (see below), whose sum is σ = 18639468900. Its totient is φ = 5798945824.

The previous prime is 12012102101. The next prime is 12012102143. The reversal of 12012102122 is 22120121021.

It is an interprime number because it is at equal distance from previous prime (12012102101) and next prime (12012102143).

It can be written as a sum of positive squares in 2 ways, for example, as 11997039961 + 15062161 = 109531^2 + 3881^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12012102097 and 12012102106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103552547 + ... + 103552662.

Almost surely, 2^12012102122 is an apocalyptic number.

12012102122 is a deficient number, since it is larger than the sum of its proper divisors (6627366778).

12012102122 is a wasteful number, since it uses less digits than its factorization.

12012102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207105240.

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

Adding to 12012102122 its reverse (22120121021), we get a palindrome (34132223143).

It can be divided in two parts, 120121021 and 22, that multiplied together give a palindrome (2642662462).

The spelling of 12012102122 in words is "twelve billion, twelve million, one hundred two thousand, one hundred twenty-two".