140020455012 has 12 divisors (see below), whose sum is σ = 326714395056. Its totient is φ = 46673485000.

The previous prime is 140020454983. The next prime is 140020455053. The reversal of 140020455012 is 210554020041.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5834185614 + ... + 5834185637.

It is an arithmetic number, because the mean of its divisors is an integer number (27226199588).

Almost surely, 2^140020455012 is an apocalyptic number.

140020455012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140020455012 is an abundant number, since it is smaller than the sum of its proper divisors (186693940044).

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

140020455012 is a wasteful number, since it uses less digits than its factorization.

140020455012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668371258 (or 11668371256 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 140020455012 its reverse (210554020041), we get a palindrome (350574475053).

The spelling of 140020455012 in words is "one hundred forty billion, twenty million, four hundred fifty-five thousand, twelve".