540042212212 has 6 divisors (see below), whose sum is σ = 945073871378. Its totient is φ = 270021106104.

The previous prime is 540042212123. The next prime is 540042212233. The reversal of 540042212212 is 212212240045.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 306167448976 + 233874763236 = 553324^2 + 483606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67505276523 + ... + 67505276530.

Almost surely, 2^540042212212 is an apocalyptic number.

It is an amenable number.

540042212212 is a deficient number, since it is larger than the sum of its proper divisors (405031659166).

540042212212 is a wasteful number, since it uses less digits than its factorization.

540042212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135010553057 (or 135010553055 counting only the distinct ones).

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

Adding to 540042212212 its reverse (212212240045), we get a palindrome (752254452257).

The spelling of 540042212212 in words is "five hundred forty billion, forty-two million, two hundred twelve thousand, two hundred twelve".