242212001 has 2 divisors, whose sum is σ = 242212002. Its totient is φ = 242212000.

The previous prime is 242211979. The next prime is 242212037. The reversal of 242212001 is 100212242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195972001 + 46240000 = 13999^2 + 6800^2 .

It is a cyclic number.

It is not a de Polignac number, because 242212001 - 2¹⁰ = 242210977 is a prime.

It is not a weakly prime, because it can be changed into another prime (242212081) by changing a digit.

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 as a sum of consecutive naturals, namely, 121106000 + 121106001.

It is an arithmetic number, because the mean of its divisors is an integer number (121106001).

Almost surely, 2^242212001 is an apocalyptic number.

It is an amenable number.

242212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

242212001 is an equidigital number, since it uses as much as digits as its factorization.

242212001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 242212001 is about 15563.1616646490. The cubic root of 242212001 is about 623.3498880965.

Adding to 242212001 its reverse (100212242), we get a palindrome (342424243).

The spelling of 242212001 in words is "two hundred forty-two million, two hundred twelve thousand, one".