12401231431203 has 12 divisors (see below), whose sum is σ = 17912927181240. Its totient is φ = 8267470388736.

The previous prime is 12401231431157. The next prime is 12401231431213. The reversal of 12401231431203 is 30213413210421.

12401231431203 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 1 + 23 + 1 + 431 + 203 = 666.

It is not a de Polignac number, because 12401231431203 - 2⁶ = 12401231431139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12401231431213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4348003 + ... + 6611171.

It is an arithmetic number, because the mean of its divisors is an integer number (1492743931770).

Almost surely, 2^{12401231431203} is an apocalyptic number.

12401231431203 is a deficient number, since it is larger than the sum of its proper divisors (5511695750037).

12401231431203 is a wasteful number, since it uses less digits than its factorization.

12401231431203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872018 (or 2872015 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12401231431203 its reverse (30213413210421), we get a palindrome (42614644641624).

The spelling of 12401231431203 in words is "twelve trillion, four hundred one billion, two hundred thirty-one million, four hundred thirty-one thousand, two hundred three".