242340012 has 84 divisors (see below), whose sum is σ = 651681576. Its totient is φ = 78770880.

The previous prime is 242339953. The next prime is 242340013. The reversal of 242340012 is 210043242.

242340012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (242340013) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 118543 + ... + 120569.

It is an arithmetic number, because the mean of its divisors is an integer number (7758114).

Almost surely, 2^242340012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242340012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325840788).

242340012 is an abundant number, since it is smaller than the sum of its proper divisors (409341564).

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

242340012 is a wasteful number, since it uses less digits than its factorization.

242340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 242340012 is about 15567.2737497611. The cubic root of 242340012 is about 623.4596839073.

Adding to 242340012 its reverse (210043242), we get a palindrome (452383254).

The spelling of 242340012 in words is "two hundred forty-two million, three hundred forty thousand, twelve".