140212131321 has 64 divisors (see below), whose sum is σ = 206911272960. Its totient is φ = 84143808000.

The previous prime is 140212131317. The next prime is 140212131337. The reversal of 140212131321 is 123131212041.

140212131321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140212131321 - 2² = 140212131317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140212121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13766851 + ... + 13777031.

It is an arithmetic number, because the mean of its divisors is an integer number (3232988640).

Almost surely, 2^140212131321 is an apocalyptic number.

It is an amenable number.

140212131321 is a deficient number, since it is larger than the sum of its proper divisors (66699141639).

140212131321 is a wasteful number, since it uses less digits than its factorization.

140212131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 140212131321 its reverse (123131212041), we get a palindrome (263343343362).

The spelling of 140212131321 in words is "one hundred forty billion, two hundred twelve million, one hundred thirty-one thousand, three hundred twenty-one".