42312234320221 has 16 divisors (see below), whose sum is σ = 44847621589248. Its totient is φ = 39782011360000.

The previous prime is 42312234320177. The next prime is 42312234320249. The reversal of 42312234320221 is 12202343221324.

It is a cyclic number.

It is not a de Polignac number, because 42312234320221 - 2⁷ = 42312234320093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312234323221) 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, 294784971 + ... + 294928471.

It is an arithmetic number, because the mean of its divisors is an integer number (2802976349328).

Almost surely, 2^{42312234320221} is an apocalyptic number.

It is an amenable number.

42312234320221 is a deficient number, since it is larger than the sum of its proper divisors (2535387269027).

42312234320221 is a wasteful number, since it uses less digits than its factorization.

42312234320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161372.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 42312234320221 its reverse (12202343221324), we get a palindrome (54514577541545).

The spelling of 42312234320221 in words is "forty-two trillion, three hundred twelve billion, two hundred thirty-four million, three hundred twenty thousand, two hundred twenty-one".