23122121220206 has 8 divisors (see below), whose sum is σ = 34773738441984. Its totient is φ = 11530875072880.

The previous prime is 23122121220197. The next prime is 23122121220251. The reversal of 23122121220206 is 60202212122132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15092767655 + ... + 15092769186.

It is an arithmetic number, because the mean of its divisors is an integer number (4346717305248).

Almost surely, 2^{23122121220206} is an apocalyptic number.

23122121220206 is a deficient number, since it is larger than the sum of its proper divisors (11651617221778).

23122121220206 is a wasteful number, since it uses less digits than its factorization.

23122121220206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30185537226.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 23122121220206 its reverse (60202212122132), we get a palindrome (83324333342338).

The spelling of 23122121220206 in words is "twenty-three trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred six".