140012234512 has 20 divisors (see below), whose sum is σ = 271286838540. Its totient is φ = 70002727808.

The previous prime is 140012234503. The next prime is 140012234519. The reversal of 140012234512 is 215432210041.

It can be written as a sum of positive squares in 2 ways, for example, as 27870299136 + 112141935376 = 166944^2 + 334876^2 .

It is not an unprimeable number, because it can be changed into a prime (140012234519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147414 + ... + 549322.

It is an arithmetic number, because the mean of its divisors is an integer number (13564341927).

Almost surely, 2^140012234512 is an apocalyptic number.

It is an amenable number.

140012234512 is a deficient number, since it is larger than the sum of its proper divisors (131274604028).

140012234512 is a wasteful number, since it uses less digits than its factorization.

140012234512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423690 (or 423684 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 140012234512 its reverse (215432210041), we get a palindrome (355444444553).

The spelling of 140012234512 in words is "one hundred forty billion, twelve million, two hundred thirty-four thousand, five hundred twelve".