540042212122 has 16 divisors (see below), whose sum is σ = 930486078720. Its totient is φ = 230271805008.

The previous prime is 540042212107. The next prime is 540042212123. The reversal of 540042212122 is 221212240045.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (540042212123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97901922 + ... + 97907437.

It is an arithmetic number, because the mean of its divisors is an integer number (58155379920).

Almost surely, 2^540042212122 is an apocalyptic number.

540042212122 is a deficient number, since it is larger than the sum of its proper divisors (390443866598).

540042212122 is a wasteful number, since it uses less digits than its factorization.

540042212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195809565.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 540042212122 its reverse (221212240045), we get a palindrome (761254452167).

The spelling of 540042212122 in words is "five hundred forty billion, forty-two million, two hundred twelve thousand, one hundred twenty-two".