23001111212 has 24 divisors (see below), whose sum is σ = 40491380160. Its totient is φ = 11432192400.

The previous prime is 23001111193. The next prime is 23001111293. The reversal of 23001111212 is 21211110032.

It is a super-2 number, since 2×23001111212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3326663 + ... + 3333569.

It is an arithmetic number, because the mean of its divisors is an integer number (1687140840).

Almost surely, 2^23001111212 is an apocalyptic number.

It is an amenable number.

23001111212 is a deficient number, since it is larger than the sum of its proper divisors (17490268948).

23001111212 is a wasteful number, since it uses less digits than its factorization.

23001111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741 (or 11739 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23001111212 its reverse (21211110032), we get a palindrome (44212221244).

The spelling of 23001111212 in words is "twenty-three billion, one million, one hundred eleven thousand, two hundred twelve".