243212002 has 24 divisors (see below), whose sum is σ = 404750736. Its totient is φ = 108702000.

The previous prime is 243211987. The next prime is 243212003. The reversal of 243212002 is 200212342.

It is not an unprimeable number, because it can be changed into a prime (243212003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80377 + ... + 83347.

It is an arithmetic number, because the mean of its divisors is an integer number (16864614).

Almost surely, 2^243212002 is an apocalyptic number.

243212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243212002 is a deficient number, since it is larger than the sum of its proper divisors (161538734).

243212002 is a wasteful number, since it uses less digits than its factorization.

243212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 243212002 is about 15595.2557529526. The cubic root of 243212002 is about 624.2065682118.

Adding to 243212002 its reverse (200212342), we get a palindrome (443424344).

The spelling of 243212002 in words is "two hundred forty-three million, two hundred twelve thousand, two".