212233542749999 has 4 divisors (see below), whose sum is σ = 212234121584880. Its totient is φ = 212232963915120.

The previous prime is 212233542749983. The next prime is 212233542750037. The reversal of 212233542749999 is 999947245332212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212233542749999 - 2⁴ = 212233542749983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212233542749939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288867107 + ... + 289600884.

It is an arithmetic number, because the mean of its divisors is an integer number (53058530396220).

Almost surely, 2^{212233542749999} is an apocalyptic number.

212233542749999 is a deficient number, since it is larger than the sum of its proper divisors (578834881).

212233542749999 is an equidigital number, since it uses as much as digits as its factorization.

212233542749999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578834880.

The product of its digits is 529079040, while the sum is 71.

The spelling of 212233542749999 in words is "two hundred twelve trillion, two hundred thirty-three billion, five hundred forty-two million, seven hundred forty-nine thousand, nine hundred ninety-nine".