12031001203 has 32 divisors (see below), whose sum is σ = 13710090240. Its totient is φ = 10479300480.

The previous prime is 12031001189. The next prime is 12031001251. The reversal of 12031001203 is 30210013021.

It is not a de Polignac number, because 12031001203 - 2¹³ = 12030993011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031001263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5813853 + ... + 5815921.

It is an arithmetic number, because the mean of its divisors is an integer number (428440320).

Almost surely, 2^12031001203 is an apocalyptic number.

12031001203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12031001203 is a deficient number, since it is larger than the sum of its proper divisors (1679089037).

12031001203 is a wasteful number, since it uses less digits than its factorization.

12031001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12031001203 its reverse (30210013021), we get a palindrome (42241014224).

The spelling of 12031001203 in words is "twelve billion, thirty-one million, one thousand, two hundred three".