243104100212 has 24 divisors (see below), whose sum is σ = 426034425600. Its totient is φ = 121380054336.

The previous prime is 243104100139. The next prime is 243104100263. The reversal of 243104100212 is 212001401342.

It is a super-2 number, since 2×243104100212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19632239 + ... + 19644617.

It is an arithmetic number, because the mean of its divisors is an integer number (17751434400).

Almost surely, 2^243104100212 is an apocalyptic number.

It is an amenable number.

243104100212 is a deficient number, since it is larger than the sum of its proper divisors (182930325388).

243104100212 is a wasteful number, since it uses less digits than its factorization.

243104100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18935 (or 18933 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 243104100212 its reverse (212001401342), we get a palindrome (455105501554).

The spelling of 243104100212 in words is "two hundred forty-three billion, one hundred four million, one hundred thousand, two hundred twelve".