23213011211222 has 24 divisors (see below), whose sum is σ = 40545208244160. Its totient is φ = 9938394552240.

The previous prime is 23213011211183. The next prime is 23213011211231. The reversal of 23213011211222 is 22211211031232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119412197 + ... + 119606432.

It is an arithmetic number, because the mean of its divisors is an integer number (1689383676840).

Almost surely, 2^{23213011211222} is an apocalyptic number.

23213011211222 is a deficient number, since it is larger than the sum of its proper divisors (17332197032938).

23213011211222 is a wasteful number, since it uses less digits than its factorization.

23213011211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239019636 (or 239019629 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 23213011211222 its reverse (22211211031232), we get a palindrome (45424222242454).

The spelling of 23213011211222 in words is "twenty-three trillion, two hundred thirteen billion, eleven million, two hundred eleven thousand, two hundred twenty-two".