12312231134 has 8 divisors (see below), whose sum is σ = 21106681968. Its totient is φ = 5276670480.

The previous prime is 12312231109. The next prime is 12312231143. The reversal of 12312231134 is 43113221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439722527 + ... + 439722554.

It is an arithmetic number, because the mean of its divisors is an integer number (2638335246).

Almost surely, 2^12312231134 is an apocalyptic number.

12312231134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12312231134 is a deficient number, since it is larger than the sum of its proper divisors (8794450834).

12312231134 is an equidigital number, since it uses as much as digits as its factorization.

12312231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879445090.

The product of its digits is 864, while the sum is 23.

Adding to 12312231134 its reverse (43113221321), we get a palindrome (55425452455).

The spelling of 12312231134 in words is "twelve billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty-four".