12110400231 has 4 divisors (see below), whose sum is σ = 16147200312. Its totient is φ = 8073600152.

The previous prime is 12110400229. The next prime is 12110400241. The reversal of 12110400231 is 13200401121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12110400231 - 2¹ = 12110400229 is a prime.

It is a super-2 number, since 2×12110400231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12110400231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110400221) 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, 2018400036 + ... + 2018400041.

It is an arithmetic number, because the mean of its divisors is an integer number (4036800078).

Almost surely, 2^12110400231 is an apocalyptic number.

12110400231 is a deficient number, since it is larger than the sum of its proper divisors (4036800081).

12110400231 is an equidigital number, since it uses as much as digits as its factorization.

12110400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036800080.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12110400231 its reverse (13200401121), we get a palindrome (25310801352).

The spelling of 12110400231 in words is "twelve billion, one hundred ten million, four hundred thousand, two hundred thirty-one".