11223001212 has 24 divisors (see below), whose sum is σ = 26189116800. Its totient is φ = 3740698416.

The previous prime is 11223001201. The next prime is 11223001219. The reversal of 11223001212 is 21210032211.

It is a junction number, because it is equal to n+sod(n) for n = 11223001191 and 11223001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223001219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157489 + ... + 217367.

It is an arithmetic number, because the mean of its divisors is an integer number (1091213200).

Almost surely, 2^11223001212 is an apocalyptic number.

11223001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11223001212 is an abundant number, since it is smaller than the sum of its proper divisors (14966115588).

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

11223001212 is a wasteful number, since it uses less digits than its factorization.

11223001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75505 (or 75503 counting only the distinct ones).

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

Adding to 11223001212 its reverse (21210032211), we get a palindrome (32433033423).

The spelling of 11223001212 in words is "eleven billion, two hundred twenty-three million, one thousand, two hundred twelve".