23011012212 has 12 divisors (see below), whose sum is σ = 53692361856. Its totient is φ = 7670337400.

The previous prime is 23011012187. The next prime is 23011012229. The reversal of 23011012212 is 21221011032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23011012191 and 23011012200.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 958792164 + ... + 958792187.

It is an arithmetic number, because the mean of its divisors is an integer number (4474363488).

Almost surely, 2^23011012212 is an apocalyptic number.

It is an amenable number.

23011012212 is an abundant number, since it is smaller than the sum of its proper divisors (30681349644).

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

23011012212 is a wasteful number, since it uses less digits than its factorization.

23011012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917584358 (or 1917584356 counting only the distinct ones).

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

Adding to 23011012212 its reverse (21221011032), we get a palindrome (44232023244).

The spelling of 23011012212 in words is "twenty-three billion, eleven million, twelve thousand, two hundred twelve".