12401102231 has 16 divisors (see below), whose sum is σ = 14499840000. Its totient is φ = 10601650584.

The previous prime is 12401102227. The next prime is 12401102243. The reversal of 12401102231 is 13220110421.

It is not a de Polignac number, because 12401102231 - 2² = 12401102227 is a prime.

It is a super-2 number, since 2×12401102231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401102201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84170 + ... + 178568.

It is an arithmetic number, because the mean of its divisors is an integer number (906240000).

Almost surely, 2^12401102231 is an apocalyptic number.

12401102231 is a deficient number, since it is larger than the sum of its proper divisors (2098737769).

12401102231 is an frugal number, since it uses more digits than its factorization.

12401102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94803 (or 94789 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12401102231 its reverse (13220110421), we get a palindrome (25621212652).

The spelling of 12401102231 in words is "twelve billion, four hundred one million, one hundred two thousand, two hundred thirty-one".