42212055566 has 8 divisors (see below), whose sum is σ = 63333026064. Its totient is φ = 21101046880.

The previous prime is 42212055563. The next prime is 42212055569. The reversal of 42212055566 is 66555021224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42212055563) and next prime (42212055569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212055563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479850 + ... + 2496813.

It is an arithmetic number, because the mean of its divisors is an integer number (7916628258).

Almost surely, 2^42212055566 is an apocalyptic number.

42212055566 is a deficient number, since it is larger than the sum of its proper divisors (21120970498).

42212055566 is a wasteful number, since it uses less digits than its factorization.

42212055566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980906.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 42212055566 in words is "forty-two billion, two hundred twelve million, fifty-five thousand, five hundred sixty-six".