22012140243 has 16 divisors (see below), whose sum is σ = 32711541120. Its totient is φ = 13084615296.

The previous prime is 22012140239. The next prime is 22012140263. The reversal of 22012140243 is 34204121022.

It is not a de Polignac number, because 22012140243 - 2² = 22012140239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012140203) 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, 11357205 + ... + 11359142.

It is an arithmetic number, because the mean of its divisors is an integer number (2044471320).

Almost surely, 2^22012140243 is an apocalyptic number.

22012140243 is a deficient number, since it is larger than the sum of its proper divisors (10699400877).

22012140243 is a wasteful number, since it uses less digits than its factorization.

22012140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22716386.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22012140243 its reverse (34204121022), we get a palindrome (56216261265).

The spelling of 22012140243 in words is "twenty-two billion, twelve million, one hundred forty thousand, two hundred forty-three".