212231323023199 has 4 divisors (see below), whose sum is σ = 214178399381320. Its totient is φ = 210284246665080.

The previous prime is 212231323023131. The next prime is 212231323023241. The reversal of 212231323023199 is 991320323132212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212231323023199 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 (212231323021199) 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, 973538178897 + ... + 973538179114.

It is an arithmetic number, because the mean of its divisors is an integer number (53544599845330).

Almost surely, 2^{212231323023199} is an apocalyptic number.

212231323023199 is a deficient number, since it is larger than the sum of its proper divisors (1947076358121).

212231323023199 is a wasteful number, since it uses less digits than its factorization.

212231323023199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947076358120.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 212231323023199 in words is "two hundred twelve trillion, two hundred thirty-one billion, three hundred twenty-three million, twenty-three thousand, one hundred ninety-nine".