12011112310 has 32 divisors (see below), whose sum is σ = 21697932672. Its totient is φ = 4787159040.

The previous prime is 12011112293. The next prime is 12011112313. The reversal of 12011112310 is 1321111021.

It is a happy number.

It is a super-2 number, since 2×12011112310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011112313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4968222 + ... + 4970638.

It is an arithmetic number, because the mean of its divisors is an integer number (678060396).

Almost surely, 2^12011112310 is an apocalyptic number.

12011112310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011112310 is a deficient number, since it is larger than the sum of its proper divisors (9686820362).

12011112310 is a wasteful number, since it uses less digits than its factorization.

12011112310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008.

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

Adding to 12011112310 its reverse (1321111021), we get a palindrome (13332223331).

The spelling of 12011112310 in words is "twelve billion, eleven million, one hundred twelve thousand, three hundred ten".