243440002212 has 48 divisors (see below), whose sum is σ = 619700293632. Its totient is φ = 73765550880.

The previous prime is 243440002187. The next prime is 243440002219. The reversal of 243440002212 is 212200044342.

It is not an unprimeable number, because it can be changed into a prime (243440002219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970093 + ... + 3050955.

It is an arithmetic number, because the mean of its divisors is an integer number (12910422784).

Almost surely, 2^243440002212 is an apocalyptic number.

243440002212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243440002212 is an abundant number, since it is smaller than the sum of its proper divisors (376260291420).

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

243440002212 is a wasteful number, since it uses less digits than its factorization.

243440002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103688 (or 103686 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 243440002212 its reverse (212200044342), we get a palindrome (455640046554).

The spelling of 243440002212 in words is "two hundred forty-three billion, four hundred forty million, two thousand, two hundred twelve".