12210354036 has 18 divisors (see below), whose sum is σ = 30865061682. Its totient is φ = 4070118000.

The previous prime is 12210354029. The next prime is 12210354041. The reversal of 12210354036 is 63045301221.

12210354036 is a `hidden beast` number, since 1 + 221 + 0 + 35 + 403 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9789123600 + 2421230436 = 98940^2 + 49206^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12210354036² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169588215 + ... + 169588286.

It is an arithmetic number, because the mean of its divisors is an integer number (1714725649).

Almost surely, 2^12210354036 is an apocalyptic number.

It is an amenable number.

12210354036 is an abundant number, since it is smaller than the sum of its proper divisors (18654707646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210354036 is a wasteful number, since it uses less digits than its factorization.

12210354036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339176511 (or 339176506 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 12210354036 its reverse (63045301221), we get a palindrome (75255655257).

The spelling of 12210354036 in words is "twelve billion, two hundred ten million, three hundred fifty-four thousand, thirty-six".