1212224332 has 24 divisors (see below), whose sum is σ = 2327047632. Its totient is φ = 547963200.

The previous prime is 1212224311. The next prime is 1212224333. The reversal of 1212224332 is 2334222121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1212224333) 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, 68143 + ... + 84070.

It is an arithmetic number, because the mean of its divisors is an integer number (96960318).

Almost surely, 2^1212224332 is an apocalyptic number.

It is an amenable number.

1212224332 is a deficient number, since it is larger than the sum of its proper divisors (1114823300).

1212224332 is a wasteful number, since it uses less digits than its factorization.

1212224332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152409 (or 152407 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1212224332 is about 34817.0121061529. The cubic root of 1212224332 is about 1066.2547993647.

Adding to 1212224332 its reverse (2334222121), we get a palindrome (3546446453).

The spelling of 1212224332 in words is "one billion, two hundred twelve million, two hundred twenty-four thousand, three hundred thirty-two".