1224343221132 has 24 divisors (see below), whose sum is σ = 2857847756400. Its totient is φ = 407964848896.

The previous prime is 1224343221097. The next prime is 1224343221151. The reversal of 1224343221132 is 2311223434221.

It is a happy number.

It is a super-2 number, since 2×1224343221132² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1224343221132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18660657 + ... + 18726152.

It is an arithmetic number, because the mean of its divisors is an integer number (119076989850).

Almost surely, 2^{1224343221132} is an apocalyptic number.

1224343221132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224343221132 is an abundant number, since it is smaller than the sum of its proper divisors (1633504535268).

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

1224343221132 is a wasteful number, since it uses less digits than its factorization.

1224343221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37389545 (or 37389543 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 1224343221132 its reverse (2311223434221), we get a palindrome (3535566655353).

The spelling of 1224343221132 in words is "one trillion, two hundred twenty-four billion, three hundred forty-three million, two hundred twenty-one thousand, one hundred thirty-two".