42120043320222 has 48 divisors (see below), whose sum is σ = 108831913182720. Its totient is φ = 11511067738896.

The previous prime is 42120043320221. The next prime is 42120043320367. The reversal of 42120043320222 is 22202334002124.

42120043320222 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 0 + 0 + 433 + 2 + 0 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120043320221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7267085322 + ... + 7267091117.

It is an arithmetic number, because the mean of its divisors is an integer number (2267331524640).

Almost surely, 2^{42120043320222} is an apocalyptic number.

42120043320222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42120043320222 is an abundant number, since it is smaller than the sum of its proper divisors (66711869862498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42120043320222 is a wasteful number, since it uses less digits than its factorization.

42120043320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14534176477 (or 14534176474 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42120043320222 its reverse (22202334002124), we get a palindrome (64322377322346).

The spelling of 42120043320222 in words is "forty-two trillion, one hundred twenty billion, forty-three million, three hundred twenty thousand, two hundred twenty-two".