188742858189612 has 24 divisors (see below), whose sum is σ = 449770215261696. Its totient is φ = 61575684231888.

The previous prime is 188742858189593. The next prime is 188742858189647. The reversal of 188742858189612 is 216981858247881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167325228328 + ... + 167325229455.

It is an arithmetic number, because the mean of its divisors is an integer number (18740425635904).

Almost surely, 2^{188742858189612} is an apocalyptic number.

188742858189612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188742858189612 is an abundant number, since it is smaller than the sum of its proper divisors (261027357072084).

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

188742858189612 is a wasteful number, since it uses less digits than its factorization.

188742858189612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334650457837 (or 334650457835 counting only the distinct ones).

The product of its digits is 990904320, while the sum is 78.

The spelling of 188742858189612 in words is "one hundred eighty-eight trillion, seven hundred forty-two billion, eight hundred fifty-eight million, one hundred eighty-nine thousand, six hundred twelve".