42031122200 has 96 divisors (see below), whose sum is σ = 98958510000. Its totient is φ = 16600320000.

The previous prime is 42031122193. The next prime is 42031122209. The reversal of 42031122200 is 222113024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031122209) 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, 18671075 + ... + 18673325.

Almost surely, 2^42031122200 is an apocalyptic number.

42031122200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42031122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49479255000).

42031122200 is an abundant number, since it is smaller than the sum of its proper divisors (56927387800).

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

42031122200 is a wasteful number, since it uses less digits than its factorization.

42031122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3396 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 42031122200 its reverse (222113024), we get a palindrome (42253235224).

The spelling of 42031122200 in words is "forty-two billion, thirty-one million, one hundred twenty-two thousand, two hundred".