140012023210421 has 8 divisors (see below), whose sum is σ = 142991690083200. Its totient is φ = 137032384990048.

The previous prime is 140012023210303. The next prime is 140012023210427. The reversal of 140012023210421 is 124012320210041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140012023210421 - 2³⁸ = 139737145303477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012023210427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861750 + ... + 16976856.

It is an arithmetic number, because the mean of its divisors is an integer number (17873961260400).

Almost surely, 2^{140012023210421} is an apocalyptic number.

It is an amenable number.

140012023210421 is a deficient number, since it is larger than the sum of its proper divisors (2979666872779).

140012023210421 is a wasteful number, since it uses less digits than its factorization.

140012023210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14326203.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140012023210421 its reverse (124012320210041), we get a palindrome (264024343420462).

The spelling of 140012023210421 in words is "one hundred forty trillion, twelve billion, twenty-three million, two hundred ten thousand, four hundred twenty-one".