12203436652 has 24 divisors (see below), whose sum is σ = 23347396800. Its totient is φ = 5535129360.

The previous prime is 12203436647. The next prime is 12203436659. The reversal of 12203436652 is 25663430221.

It is a super-2 number, since 2×12203436652² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12203436659) 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, 276402 + ... + 317497.

It is an arithmetic number, because the mean of its divisors is an integer number (972808200).

Almost surely, 2^12203436652 is an apocalyptic number.

It is an amenable number.

12203436652 is a deficient number, since it is larger than the sum of its proper divisors (11143960148).

12203436652 is a wasteful number, since it uses less digits than its factorization.

12203436652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594381 (or 594379 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 12203436652 its reverse (25663430221), we get a palindrome (37866866873).

The spelling of 12203436652 in words is "twelve billion, two hundred three million, four hundred thirty-six thousand, six hundred fifty-two".