12001123002 has 32 divisors (see below), whose sum is σ = 26188531200. Its totient is φ = 3636111920.

The previous prime is 12001122979. The next prime is 12001123003. The reversal of 12001123002 is 20032110021.

It is a super-3 number, since 3×12001123002³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001123003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563683 + ... + 584585.

It is an arithmetic number, because the mean of its divisors is an integer number (818391600).

Almost surely, 2^12001123002 is an apocalyptic number.

12001123002 is an abundant number, since it is smaller than the sum of its proper divisors (14187408198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001123002 is a wasteful number, since it uses less digits than its factorization.

12001123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29618.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12001123002 its reverse (20032110021), we get a palindrome (32033233023).

The spelling of 12001123002 in words is "twelve billion, one million, one hundred twenty-three thousand, two".