11922209204 has 12 divisors (see below), whose sum is σ = 20900537700. Its totient is φ = 5950627008.

The previous prime is 11922209203. The next prime is 11922209209. The reversal of 11922209204 is 40290222911.

It can be written as a sum of positive squares in 2 ways, for example, as 3329290000 + 8592919204 = 57700^2 + 92698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11922209203) by changing a digit.

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, 2616839 + ... + 2621390.

It is an arithmetic number, because the mean of its divisors is an integer number (1741711475).

Almost surely, 2^11922209204 is an apocalyptic number.

It is an amenable number.

11922209204 is a deficient number, since it is larger than the sum of its proper divisors (8978328496).

11922209204 is a wasteful number, since it uses less digits than its factorization.

11922209204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238802 (or 5238800 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11922209204 in words is "eleven billion, nine hundred twenty-two million, two hundred nine thousand, two hundred four".