212011323099 has 16 divisors (see below), whose sum is σ = 294983016192. Its totient is φ = 135190703648.

The previous prime is 212011323059. The next prime is 212011323113. The reversal of 212011323099 is 990323110212.

It is a cyclic number.

It is not a de Polignac number, because 212011323099 - 2¹⁵ = 212011290331 is a prime.

It is a super-2 number, since 2×212011323099² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011323059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3308764 + ... + 3372230.

It is an arithmetic number, because the mean of its divisors is an integer number (18436438512).

Almost surely, 2^212011323099 is an apocalyptic number.

212011323099 is a deficient number, since it is larger than the sum of its proper divisors (82971693093).

212011323099 is a wasteful number, since it uses less digits than its factorization.

212011323099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111906.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 212011323099 in words is "two hundred twelve billion, eleven million, three hundred twenty-three thousand, ninety-nine".