213240133099 has 12 divisors (see below), whose sum is σ = 248062446864. Its totient is φ = 182771658384.

The previous prime is 213240133031. The next prime is 213240133111. The reversal of 213240133099 is 990331042312.

It is not a de Polignac number, because 213240133099 - 2⁷ = 213240132971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213240133009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2761929 + ... + 2838085.

It is an arithmetic number, because the mean of its divisors is an integer number (20671870572).

Almost surely, 2^213240133099 is an apocalyptic number.

213240133099 is a deficient number, since it is larger than the sum of its proper divisors (34822313765).

213240133099 is an equidigital number, since it uses as much as digits as its factorization.

213240133099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133314 (or 133307 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 213240133099 in words is "two hundred thirteen billion, two hundred forty million, one hundred thirty-three thousand, ninety-nine".