1223112052 has 12 divisors (see below), whose sum is σ = 2140694500. Its totient is φ = 611485056.

The previous prime is 1223112043. The next prime is 1223112053. The reversal of 1223112052 is 2502113221.

It can be written as a sum of positive squares in 2 ways, for example, as 471584656 + 751527396 = 21716^2 + 27414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112053) 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, 48574 + ... + 69322.

Almost surely, 2^1223112052 is an apocalyptic number.

It is an amenable number.

1223112052 is a deficient number, since it is larger than the sum of its proper divisors (917582448).

1223112052 is a wasteful number, since it uses less digits than its factorization.

1223112052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35490 (or 35488 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1223112052 is about 34973.0189145861. The cubic root of 1223112052 is about 1069.4375161068.

Adding to 1223112052 its reverse (2502113221), we get a palindrome (3725225273).

The spelling of 1223112052 in words is "one billion, two hundred twenty-three million, one hundred twelve thousand, fifty-two".