23012333212 has 18 divisors (see below), whose sum is σ = 44265460064. Its totient is φ = 10460151240.

The previous prime is 23012333209. The next prime is 23012333219. The reversal of 23012333212 is 21233321032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012333219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23772588 + ... + 23773555.

Almost surely, 2^23012333212 is an apocalyptic number.

23012333212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23012333212 is a deficient number, since it is larger than the sum of its proper divisors (21253126852).

23012333212 is a wasteful number, since it uses less digits than its factorization.

23012333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47546169 (or 47546156 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23012333212 its reverse (21233321032), we get a palindrome (44245654244).

The spelling of 23012333212 in words is "twenty-three billion, twelve million, three hundred thirty-three thousand, two hundred twelve".