12001401332 has 12 divisors (see below), whose sum is σ = 21006349056. Its totient is φ = 5999587320.

The previous prime is 12001401299. The next prime is 12001401341. The reversal of 12001401332 is 23310410021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001401332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253844 + ... + 297387.

It is an arithmetic number, because the mean of its divisors is an integer number (1750529088).

Almost surely, 2^12001401332 is an apocalyptic number.

It is an amenable number.

12001401332 is a deficient number, since it is larger than the sum of its proper divisors (9004947724).

12001401332 is a wasteful number, since it uses less digits than its factorization.

12001401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556678 (or 556676 counting only the distinct ones).

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

Adding to 12001401332 its reverse (23310410021), we get a palindrome (35311811353).

The spelling of 12001401332 in words is "twelve billion, one million, four hundred one thousand, three hundred thirty-two".