12212537036 has 12 divisors (see below), whose sum is σ = 24425074128. Its totient is φ = 5233944432.

The previous prime is 12212537009. The next prime is 12212537041. The reversal of 12212537036 is 63073521221.

12212537036 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12212536993 and 12212537011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218080991 + ... + 218081046.

It is an arithmetic number, because the mean of its divisors is an integer number (2035422844).

Almost surely, 2^12212537036 is an apocalyptic number.

It is an amenable number.

12212537036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12212537036 is a wasteful number, since it uses less digits than its factorization.

12212537036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436162048 (or 436162046 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 12212537036 in words is "twelve billion, two hundred twelve million, five hundred thirty-seven thousand, thirty-six".