12010112122 has 8 divisors (see below), whose sum is σ = 18019603476. Its totient is φ = 6003577632.

The previous prime is 12010112099. The next prime is 12010112123. The reversal of 12010112122 is 22121101021.

It can be written as a sum of positive squares in 2 ways, for example, as 8137663681 + 3872448441 = 90209^2 + 62229^2 .

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

It is a super-2 number, since 2×12010112122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12010112123) 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, 729033 + ... + 745324.

Almost surely, 2^12010112122 is an apocalyptic number.

12010112122 is a deficient number, since it is larger than the sum of its proper divisors (6009491354).

12010112122 is a wasteful number, since it uses less digits than its factorization.

12010112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478432.

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

Adding to 12010112122 its reverse (22121101021), we get a palindrome (34131213143).

The spelling of 12010112122 in words is "twelve billion, ten million, one hundred twelve thousand, one hundred twenty-two".