140012023243221 has 48 divisors (see below), whose sum is σ = 206237813653872. Its totient is φ = 91506686515200.

The previous prime is 140012023243207. The next prime is 140012023243231. The reversal of 140012023243221 is 122342320210041.

140012023243221 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 1 + 202 + 3 + 2 + 432 + 21 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 11787789222225 + 128224234020996 = 3433335^2 + 11323614^2 .

It is not a de Polignac number, because 140012023243221 - 2¹⁷ = 140012023112149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012023243231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199215651 + ... + 199917231.

It is an arithmetic number, because the mean of its divisors is an integer number (4296621117789).

Almost surely, 2^{140012023243221} is an apocalyptic number.

It is an amenable number.

140012023243221 is a deficient number, since it is larger than the sum of its proper divisors (66225790410651).

140012023243221 is a wasteful number, since it uses less digits than its factorization.

140012023243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702854 (or 702851 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140012023243221 its reverse (122342320210041), we get a palindrome (262354343453262).

The spelling of 140012023243221 in words is "one hundred forty trillion, twelve billion, twenty-three million, two hundred forty-three thousand, two hundred twenty-one".