140012240200021 has 16 divisors (see below), whose sum is σ = 173031397157376. Its totient is φ = 110547837063936.

The previous prime is 140012240200009. The next prime is 140012240200031. The reversal of 140012240200021 is 120002042210041.

It is a cyclic number.

It is not a de Polignac number, because 140012240200021 - 2¹⁷ = 140012240068949 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 (140012240200031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12516733206 + ... + 12516744391.

It is an arithmetic number, because the mean of its divisors is an integer number (10814462322336).

Almost surely, 2^{140012240200021} is an apocalyptic number.

It is an amenable number.

140012240200021 is a deficient number, since it is larger than the sum of its proper divisors (33019156957355).

140012240200021 is a wasteful number, since it uses less digits than its factorization.

140012240200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25033477668.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 140012240200021 its reverse (120002042210041), we get a palindrome (260014282410062).

The spelling of 140012240200021 in words is "one hundred forty trillion, twelve billion, two hundred forty million, two hundred thousand, twenty-one".