140012302210421 has 16 divisors (see below), whose sum is σ = 147398077132800. Its totient is φ = 132817713735168.

The previous prime is 140012302210399. The next prime is 140012302210427. The reversal of 140012302210421 is 124012203210041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140012302210421 is a prime.

It is a super-2 number, since 2×140012302210421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012302210427) 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, 184163516 + ... + 184922213.

It is an arithmetic number, because the mean of its divisors is an integer number (9212379820800).

Almost surely, 2^{140012302210421} is an apocalyptic number.

It is an amenable number.

140012302210421 is a deficient number, since it is larger than the sum of its proper divisors (7385774922379).

140012302210421 is a wasteful number, since it uses less digits than its factorization.

140012302210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369085988.

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

Adding to 140012302210421 its reverse (124012203210041), we get a palindrome (264024505420462).

The spelling of 140012302210421 in words is "one hundred forty trillion, twelve billion, three hundred two million, two hundred ten thousand, four hundred twenty-one".