242635646212 has 12 divisors (see below), whose sum is σ = 424616248476. Its totient is φ = 121316718080.

The previous prime is 242635646189. The next prime is 242635646243. The reversal of 242635646212 is 212646536242.

It can be written as a sum of positive squares in 2 ways, for example, as 43269824196 + 199365822016 = 208014^2 + 446504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403788 + ... + 805180.

It is an arithmetic number, because the mean of its divisors is an integer number (35384687373).

Almost surely, 2^242635646212 is an apocalyptic number.

It is an amenable number.

242635646212 is a deficient number, since it is larger than the sum of its proper divisors (181980602264).

242635646212 is a wasteful number, since it uses less digits than its factorization.

242635646212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552518 (or 552516 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The spelling of 242635646212 in words is "two hundred forty-two billion, six hundred thirty-five million, six hundred forty-six thousand, two hundred twelve".