42232042121200 has 120 divisors (see below), whose sum is σ = 105887665836000. Its totient is φ = 16156244628480.

The previous prime is 42232042121179. The next prime is 42232042121201. The reversal of 42232042121200 is 212124023224.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42232042121201) 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, 71364126 + ... + 71953474.

It is an arithmetic number, because the mean of its divisors is an integer number (882397215300).

Almost surely, 2^{42232042121200} is an apocalyptic number.

42232042121200 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 42232042121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52943832918000).

42232042121200 is an abundant number, since it is smaller than the sum of its proper divisors (63655623714800).

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

42232042121200 is a wasteful number, since it uses less digits than its factorization.

42232042121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597179 (or 597168 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42232042121200 its reverse (212124023224), we get a palindrome (42444166144424).

The spelling of 42232042121200 in words is "forty-two trillion, two hundred thirty-two billion, forty-two million, one hundred twenty-one thousand, two hundred".