212013235199 has 4 divisors (see below), whose sum is σ = 212467225464. Its totient is φ = 211559244936.

The previous prime is 212013235171. The next prime is 212013235207. The reversal of 212013235199 is 991532310212.

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 212013235199 - 2¹² = 212013231103 is a prime.

It is a super-2 number, since 2×212013235199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013235799) 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, 226994432 + ... + 226995365.

It is an arithmetic number, because the mean of its divisors is an integer number (53116806366).

Almost surely, 2^212013235199 is an apocalyptic number.

212013235199 is a deficient number, since it is larger than the sum of its proper divisors (453990265).

212013235199 is an equidigital number, since it uses as much as digits as its factorization.

212013235199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453990264.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 212013235199 in words is "two hundred twelve billion, thirteen million, two hundred thirty-five thousand, one hundred ninety-nine".