1213123022 has 8 divisors (see below), whose sum is σ = 1819836072. Its totient is φ = 606511000.

The previous prime is 1213123003. The next prime is 1213123027. The reversal of 1213123022 is 2203213121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213123027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23897 + ... + 54747.

It is an arithmetic number, because the mean of its divisors is an integer number (227479509).

Almost surely, 2^1213123022 is an apocalyptic number.

1213123022 is a deficient number, since it is larger than the sum of its proper divisors (606713050).

1213123022 is a wasteful number, since it uses less digits than its factorization.

1213123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50514.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213123022 is about 34829.9156186173. The cubic root of 1213123022 is about 1066.5182258061.

Adding to 1213123022 its reverse (2203213121), we get a palindrome (3416336143).

Subtracting 1213123022 from its reverse (2203213121), we obtain a palindrome (990090099).

It can be divided in two parts, 12131 and 23022, that added together give a palindrome (35153).

The spelling of 1213123022 in words is "one billion, two hundred thirteen million, one hundred twenty-three thousand, twenty-two".