11304232212 has 288 divisors, whose sum is σ = 35700424704. Its totient is φ = 2713651200.

The previous prime is 11304232207. The next prime is 11304232217. The reversal of 11304232212 is 21223240311.

It is an interprime number because it is at equal distance from previous prime (11304232207) and next prime (11304232217).

It is a super-3 number, since 3×11304232212³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304232217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7480537 + ... + 7482047.

It is an arithmetic number, because the mean of its divisors is an integer number (123959808).

Almost surely, 2^11304232212 is an apocalyptic number.

11304232212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11304232212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17850212352).

11304232212 is an abundant number, since it is smaller than the sum of its proper divisors (24396192492).

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

11304232212 is a wasteful number, since it uses less digits than its factorization.

11304232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11304232212 its reverse (21223240311), we get a palindrome (32527472523).

The spelling of 11304232212 in words is "eleven billion, three hundred four million, two hundred thirty-two thousand, two hundred twelve".