140212004341243 has 4 divisors (see below), whose sum is σ = 140376379493728. Its totient is φ = 140047629188760.

The previous prime is 140212004341219. The next prime is 140212004341247. The reversal of 140212004341243 is 342143400212041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140212004341243 - 2¹⁷ = 140212004210171 is a prime.

It is a super-2 number, since 2×140212004341243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140212004341247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82187574963 + ... + 82187576668.

It is an arithmetic number, because the mean of its divisors is an integer number (35094094873432).

Almost surely, 2^{140212004341243} is an apocalyptic number.

140212004341243 is a deficient number, since it is larger than the sum of its proper divisors (164375152485).

140212004341243 is an equidigital number, since it uses as much as digits as its factorization.

140212004341243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164375152484.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140212004341243 its reverse (342143400212041), we get a palindrome (482355404553284).

The spelling of 140212004341243 in words is "one hundred forty trillion, two hundred twelve billion, four million, three hundred forty-one thousand, two hundred forty-three".