12311201110 has 32 divisors (see below), whose sum is σ = 23959932192. Its totient is φ = 4527552000.

The previous prime is 12311201101. The next prime is 12311201137. The reversal of 12311201110 is 1110211321.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156019 + ... + 221278.

It is an arithmetic number, because the mean of its divisors is an integer number (748747881).

Almost surely, 2^12311201110 is an apocalyptic number.

12311201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311201110 is a deficient number, since it is larger than the sum of its proper divisors (11648731082).

12311201110 is a wasteful number, since it uses less digits than its factorization.

12311201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377568.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12311201110 its reverse (1110211321), we get a palindrome (13421412431).

The spelling of 12311201110 in words is "twelve billion, three hundred eleven million, two hundred one thousand, one hundred ten".