12312021110 has 8 divisors (see below), whose sum is σ = 22161638016. Its totient is φ = 4924808440.

The previous prime is 12312021091. The next prime is 12312021119. The reversal of 12312021110 is 1112021321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312021119) 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 3 ways as a sum of consecutive naturals, for example, 615601046 + ... + 615601065.

It is an arithmetic number, because the mean of its divisors is an integer number (2770204752).

Almost surely, 2^12312021110 is an apocalyptic number.

12312021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312021110 is a deficient number, since it is larger than the sum of its proper divisors (9849616906).

12312021110 is a wasteful number, since it uses less digits than its factorization.

12312021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231202118.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12312021110 its reverse (1112021321), we get a palindrome (13424042431).

The spelling of 12312021110 in words is "twelve billion, three hundred twelve million, twenty-one thousand, one hundred ten".