1212324124 has 24 divisors (see below), whose sum is σ = 2336076288. Its totient is φ = 545904240.

The previous prime is 1212324107. The next prime is 1212324131. The reversal of 1212324124 is 4214232121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212324095 and 1212324104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124044 + ... + 133459.

It is an arithmetic number, because the mean of its divisors is an integer number (97336512).

Almost surely, 2^1212324124 is an apocalyptic number.

It is an amenable number.

1212324124 is a deficient number, since it is larger than the sum of its proper divisors (1123752164).

1212324124 is a wasteful number, since it uses less digits than its factorization.

1212324124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257625 (or 257623 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1212324124 is about 34818.4451691916. The cubic root of 1212324124 is about 1066.2840570899.

Adding to 1212324124 its reverse (4214232121), we get a palindrome (5426556245).

The spelling of 1212324124 in words is "one billion, two hundred twelve million, three hundred twenty-four thousand, one hundred twenty-four".