11321424012 has 24 divisors (see below), whose sum is σ = 26419521856. Its totient is φ = 3773398608.

The previous prime is 11321424001. The next prime is 11321424019. The reversal of 11321424012 is 21042412311.

It is a super-2 number, since 2×11321424012² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11321424012.

It is not an unprimeable number, because it can be changed into a prime (11321424019) 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, 76863 + ... + 168969.

Almost surely, 2^11321424012 is an apocalyptic number.

11321424012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321424012 is an abundant number, since it is smaller than the sum of its proper divisors (15098097844).

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

11321424012 is a wasteful number, since it uses less digits than its factorization.

11321424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102357 (or 102355 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11321424012 its reverse (21042412311), we get a palindrome (32363836323).

The spelling of 11321424012 in words is "eleven billion, three hundred twenty-one million, four hundred twenty-four thousand, twelve".