12001131310 has 64 divisors (see below), whose sum is σ = 26044876800. Its totient is φ = 3889492992.

The previous prime is 12001131287. The next prime is 12001131347. The reversal of 12001131310 is 1313110021.

It is a super-2 number, since 2×12001131310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 606046 + ... + 625534.

It is an arithmetic number, because the mean of its divisors is an integer number (406951200).

Almost surely, 2^12001131310 is an apocalyptic number.

12001131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001131310 is an abundant number, since it is smaller than the sum of its proper divisors (14043745490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001131310 is a wasteful number, since it uses less digits than its factorization.

12001131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12001131310 its reverse (1313110021), we get a palindrome (13314241331).

It can be divided in two parts, 120011 and 31310, that added together give a square (151321 = 389²).

The spelling of 12001131310 in words is "twelve billion, one million, one hundred thirty-one thousand, three hundred ten".