1212023122 has 16 divisors (see below), whose sum is σ = 1867473792. Its totient is φ = 589681360.

The previous prime is 1212023083. The next prime is 1212023123. The reversal of 1212023122 is 2213202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212023096 and 1212023105.

It is not an unprimeable number, because it can be changed into a prime (1212023123) by changing a digit.

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, 21004 + ... + 53527.

It is an arithmetic number, because the mean of its divisors is an integer number (116717112).

Almost surely, 2^1212023122 is an apocalyptic number.

1212023122 is a deficient number, since it is larger than the sum of its proper divisors (655450670).

1212023122 is a wasteful number, since it uses less digits than its factorization.

1212023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74753.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1212023122 is about 34814.1224505229. The cubic root of 1212023122 is about 1066.1958023090.

Adding to 1212023122 its reverse (2213202121), we get a palindrome (3425225243).

The spelling of 1212023122 in words is "one billion, two hundred twelve million, twenty-three thousand, one hundred twenty-two".