23011201212 has 24 divisors (see below), whose sum is σ = 54372460800. Its totient is φ = 7573306416.

The previous prime is 23011201153. The next prime is 23011201219. The reversal of 23011201212 is 21210211032.

It is a junction number, because it is equal to n+sod(n) for n = 23011201191 and 23011201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12135762 + ... + 12137657.

It is an arithmetic number, because the mean of its divisors is an integer number (2265519200).

Almost surely, 2^23011201212 is an apocalyptic number.

It is an amenable number.

23011201212 is an abundant number, since it is smaller than the sum of its proper divisors (31361259588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23011201212 is a wasteful number, since it uses less digits than its factorization.

23011201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24273505 (or 24273503 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23011201212 its reverse (21210211032), we get a palindrome (44221412244).

The spelling of 23011201212 in words is "twenty-three billion, eleven million, two hundred one thousand, two hundred twelve".