42212252566 has 8 divisors (see below), whose sum is σ = 69074595144. Its totient is φ = 19187387520.

The previous prime is 42212252561. The next prime is 42212252573. The reversal of 42212252566 is 66525221224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212252561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959369355 + ... + 959369398.

It is an arithmetic number, because the mean of its divisors is an integer number (8634324393).

Almost surely, 2^42212252566 is an apocalyptic number.

42212252566 is a deficient number, since it is larger than the sum of its proper divisors (26862342578).

42212252566 is a wasteful number, since it uses less digits than its factorization.

42212252566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918738766.

The product of its digits is 115200, while the sum is 37.

The spelling of 42212252566 in words is "forty-two billion, two hundred twelve million, two hundred fifty-two thousand, five hundred sixty-six".