12031002401 has 4 divisors (see below), whose sum is σ = 13124729904. Its totient is φ = 10937274900.

The previous prime is 12031002377. The next prime is 12031002457. The reversal of 12031002401 is 10420013021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12031002401 - 2⁶ = 12031002337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031002461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546863735 + ... + 546863756.

It is an arithmetic number, because the mean of its divisors is an integer number (3281182476).

Almost surely, 2^12031002401 is an apocalyptic number.

12031002401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12031002401 is a deficient number, since it is larger than the sum of its proper divisors (1093727503).

12031002401 is a wasteful number, since it uses less digits than its factorization.

12031002401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093727502.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12031002401 its reverse (10420013021), we get a palindrome (22451015422).

The spelling of 12031002401 in words is "twelve billion, thirty-one million, two thousand, four hundred one".