188380789012 has 48 divisors (see below), whose sum is σ = 365243961600. Its totient is φ = 84450494592.

The previous prime is 188380788961. The next prime is 188380789013. The reversal of 188380789012 is 210987083881.

It is a super-2 number, since 2×188380789012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188380789013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045989 + ... + 1212787.

It is an arithmetic number, because the mean of its divisors is an integer number (7609249200).

Almost surely, 2^188380789012 is an apocalyptic number.

It is an amenable number.

188380789012 is a deficient number, since it is larger than the sum of its proper divisors (176863172588).

188380789012 is a wasteful number, since it uses less digits than its factorization.

188380789012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167440 (or 167438 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 55.

The spelling of 188380789012 in words is "one hundred eighty-eight billion, three hundred eighty million, seven hundred eighty-nine thousand, twelve".