207242112 has 256 divisors, whose sum is σ = 706590720. Its totient is φ = 52254720.

The previous prime is 207242093. The next prime is 207242117. The reversal of 207242112 is 211242702.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207242117) 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, 1271343 + ... + 1271505.

It is an arithmetic number, because the mean of its divisors is an integer number (2760120).

Almost surely, 2^207242112 is an apocalyptic number.

207242112 is a gapful number since it is divisible by the number (22) 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 207242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353295360).

207242112 is an abundant number, since it is smaller than the sum of its proper divisors (499348608).

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

207242112 is a wasteful number, since it uses less digits than its factorization.

207242112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 207242112 is about 14395.9060847173. The cubic root of 207242112 is about 591.7787095975.

Adding to 207242112 its reverse (211242702), we get a palindrome (418484814).

The spelling of 207242112 in words is "two hundred seven million, two hundred forty-two thousand, one hundred twelve".