140021433012 has 12 divisors (see below), whose sum is σ = 326716677056. Its totient is φ = 46673811000.

The previous prime is 140021433007. The next prime is 140021433049. The reversal of 140021433012 is 210334120041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 140021433012.

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 3 ways as a sum of consecutive naturals, for example, 5834226364 + ... + 5834226387.

Almost surely, 2^140021433012 is an apocalyptic number.

140021433012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140021433012 is an abundant number, since it is smaller than the sum of its proper divisors (186695244044).

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

140021433012 is a wasteful number, since it uses less digits than its factorization.

140021433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11668452758 (or 11668452756 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 140021433012 its reverse (210334120041), we get a palindrome (350355553053).

The spelling of 140021433012 in words is "one hundred forty billion, twenty-one million, four hundred thirty-three thousand, twelve".