12203554356 has 72 divisors (see below), whose sum is σ = 35274220800. Its totient is φ = 3484800576.

The previous prime is 12203554331. The next prime is 12203554367. The reversal of 12203554356 is 65345530221.

12203554356 is a `hidden beast` number, since 1 + 220 + 35 + 54 + 356 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12203554356.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 478725 + ... + 503571.

Almost surely, 2^12203554356 is an apocalyptic number.

It is an amenable number.

12203554356 is an abundant number, since it is smaller than the sum of its proper divisors (23070666444).

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

12203554356 is a wasteful number, since it uses less digits than its factorization.

12203554356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26813 (or 26808 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 12203554356 in words is "twelve billion, two hundred three million, five hundred fifty-four thousand, three hundred fifty-six".