12031401332 has 12 divisors (see below), whose sum is σ = 21780985380. Its totient is φ = 5808262656.

The previous prime is 12031401281. The next prime is 12031401359. The reversal of 12031401332 is 23310413021.

It can be written as a sum of positive squares in 2 ways, for example, as 8383966096 + 3647435236 = 91564^2 + 60394^2 .

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, 51859373 + ... + 51859604.

It is an arithmetic number, because the mean of its divisors is an integer number (1815082115).

Almost surely, 2^12031401332 is an apocalyptic number.

It is an amenable number.

12031401332 is a deficient number, since it is larger than the sum of its proper divisors (9749584048).

12031401332 is a wasteful number, since it uses less digits than its factorization.

12031401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103719010 (or 103719008 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12031401332 its reverse (23310413021), we get a palindrome (35341814353).

The spelling of 12031401332 in words is "twelve billion, thirty-one million, four hundred one thousand, three hundred thirty-two".