1212224352 has 48 divisors (see below), whose sum is σ = 3256102080. Its totient is φ = 394676352.

The previous prime is 1212224347. The next prime is 1212224353. The reversal of 1212224352 is 2534222121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212224353) 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, 142702 + ... + 150957.

It is an arithmetic number, because the mean of its divisors is an integer number (67835460).

Almost surely, 2^1212224352 is an apocalyptic number.

1212224352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212224352 is an abundant number, since it is smaller than the sum of its proper divisors (2043877728).

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

1212224352 is a wasteful number, since it uses less digits than its factorization.

1212224352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293715 (or 293707 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1212224352 is about 34817.0123933688. The cubic root of 1212224352 is about 1066.2548052286.

Adding to 1212224352 its reverse (2534222121), we get a palindrome (3746446473).

The spelling of 1212224352 in words is "one billion, two hundred twelve million, two hundred twenty-four thousand, three hundred fifty-two".