12140113512 has 64 divisors (see below), whose sum is σ = 31362166080. Its totient is φ = 3913132032.

The previous prime is 12140113511. The next prime is 12140113519. The reversal of 12140113512 is 21531104121.

It is not an unprimeable number, because it can be changed into a prime (12140113511) 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 15 ways as a sum of consecutive naturals, for example, 102808 + ... + 186680.

It is an arithmetic number, because the mean of its divisors is an integer number (490033845).

Almost surely, 2^12140113512 is an apocalyptic number.

12140113512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12140113512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15681083040).

12140113512 is an abundant number, since it is smaller than the sum of its proper divisors (19222052568).

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

12140113512 is a wasteful number, since it uses less digits than its factorization.

12140113512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84082 (or 84078 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 12140113512 its reverse (21531104121), we get a palindrome (33671217633).

The spelling of 12140113512 in words is "twelve billion, one hundred forty million, one hundred thirteen thousand, five hundred twelve".