12010013122 has 4 divisors (see below), whose sum is σ = 18015019686. Its totient is φ = 6005006560.

The previous prime is 12010013089. The next prime is 12010013129. The reversal of 12010013122 is 22131001021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7546570641 + 4463442481 = 86871^2 + 66809^2 .

It is a super-2 number, since 2×12010013122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12010013129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002503279 + ... + 3002503282.

Almost surely, 2^12010013122 is an apocalyptic number.

12010013122 is a deficient number, since it is larger than the sum of its proper divisors (6005006564).

12010013122 is an equidigital number, since it uses as much as digits as its factorization.

12010013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005006563.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12010013122 its reverse (22131001021), we get a palindrome (34141014143).

The spelling of 12010013122 in words is "twelve billion, ten million, thirteen thousand, one hundred twenty-two".