240212899 has 2 divisors, whose sum is σ = 240212900. Its totient is φ = 240212898.

The previous prime is 240212881. The next prime is 240212909. The reversal of 240212899 is 998212042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240212899 - 2¹¹ = 240210851 is a prime.

It is not a weakly prime, because it can be changed into another prime (240212699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120106449 + 120106450.

It is an arithmetic number, because the mean of its divisors is an integer number (120106450).

Almost surely, 2^240212899 is an apocalyptic number.

240212899 is a deficient number, since it is larger than the sum of its proper divisors (1).

240212899 is an equidigital number, since it uses as much as digits as its factorization.

240212899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 240212899 is about 15498.8031473401. The cubic root of 240212899 is about 621.6302042965.

The spelling of 240212899 in words is "two hundred forty million, two hundred twelve thousand, eight hundred ninety-nine".