140243101212 has 48 divisors (see below), whose sum is σ = 330048346880. Its totient is φ = 46347043968.

The previous prime is 140243101139. The next prime is 140243101267. The reversal of 140243101212 is 212101342041.

140243101212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712353 + ... + 887655.

Almost surely, 2^140243101212 is an apocalyptic number.

140243101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140243101212 is an abundant number, since it is smaller than the sum of its proper divisors (189805245668).

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

140243101212 is a wasteful number, since it uses less digits than its factorization.

140243101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175882 (or 175880 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 140243101212 its reverse (212101342041), we get a palindrome (352344443253).

The spelling of 140243101212 in words is "one hundred forty billion, two hundred forty-three million, one hundred one thousand, two hundred twelve".