42112212202321 has 32 divisors (see below), whose sum is σ = 45925523804160. Its totient is φ = 38504248468224.

The previous prime is 42112212202201. The next prime is 42112212202339. The reversal of 42112212202321 is 12320221221124.

It is not a de Polignac number, because 42112212202321 - 2²⁷ = 42112077984593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42112212202351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 734542185 + ... + 734599513.

It is an arithmetic number, because the mean of its divisors is an integer number (1435172618880).

Almost surely, 2^{42112212202321} is an apocalyptic number.

It is an amenable number.

42112212202321 is a deficient number, since it is larger than the sum of its proper divisors (3813311601839).

42112212202321 is a wasteful number, since it uses less digits than its factorization.

42112212202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73245.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 42112212202321 its reverse (12320221221124), we get a palindrome (54432433423445).

The spelling of 42112212202321 in words is "forty-two trillion, one hundred twelve billion, two hundred twelve million, two hundred two thousand, three hundred twenty-one".