12012111310 has 64 divisors (see below), whose sum is σ = 22245124608. Its totient is φ = 4668862464.

The previous prime is 12012111299. The next prime is 12012111317. The reversal of 12012111310 is 1311121021.

It is a happy number.

It is a super-2 number, since 2×12012111310² (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 (12012111317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18394944 + ... + 18395596.

It is an arithmetic number, because the mean of its divisors is an integer number (347580072).

Almost surely, 2^12012111310 is an apocalyptic number.

12012111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012111310 is a deficient number, since it is larger than the sum of its proper divisors (10233013298).

12012111310 is a wasteful number, since it uses less digits than its factorization.

12012111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

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

Adding to 12012111310 its reverse (1311121021), we get a palindrome (13323232331).

The spelling of 12012111310 in words is "twelve billion, twelve million, one hundred eleven thousand, three hundred ten".