12002123132 has 6 divisors (see below), whose sum is σ = 21003715488. Its totient is φ = 6001061564.

The previous prime is 12002123117. The next prime is 12002123141. The reversal of 12002123132 is 23132120021.

It is a self number, because there is not a number n which added to its sum of digits gives 12002123132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500265388 + ... + 1500265395.

It is an arithmetic number, because the mean of its divisors is an integer number (3500619248).

Almost surely, 2^12002123132 is an apocalyptic number.

It is an amenable number.

12002123132 is a deficient number, since it is larger than the sum of its proper divisors (9001592356).

12002123132 is a wasteful number, since it uses less digits than its factorization.

12002123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000530787 (or 3000530785 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12002123132 its reverse (23132120021), we get a palindrome (35134243153).

The spelling of 12002123132 in words is "twelve billion, two million, one hundred twenty-three thousand, one hundred thirty-two".