11303122212 has 48 divisors (see below), whose sum is σ = 29331556800. Its totient is φ = 3764214720.

The previous prime is 11303122199. The next prime is 11303122219. The reversal of 11303122212 is 21222130311.

11303122212 is a `hidden beast` number, since 1 + 130 + 312 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11303122219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69864 + ... + 165792.

It is an arithmetic number, because the mean of its divisors is an integer number (611074100).

Almost surely, 2^11303122212 is an apocalyptic number.

11303122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11303122212 is an abundant number, since it is smaller than the sum of its proper divisors (18028434588).

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

11303122212 is a wasteful number, since it uses less digits than its factorization.

11303122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97033 (or 97025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11303122212 its reverse (21222130311), we get a palindrome (32525252523).

The spelling of 11303122212 in words is "eleven billion, three hundred three million, one hundred twenty-two thousand, two hundred twelve".