188338120103452 has 12 divisors (see below), whose sum is σ = 359554592924856. Its totient is φ = 85608236410640.

The previous prime is 188338120103417. The next prime is 188338120103459. The reversal of 188338120103452 is 254301021833881.

It is a junction number, because it is equal to n+sod(n) for n = 188338120103396 and 188338120103405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188338120103459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140205910223 + ... + 2140205910310.

It is an arithmetic number, because the mean of its divisors is an integer number (29962882743738).

Almost surely, 2^{188338120103452} is an apocalyptic number.

It is an amenable number.

188338120103452 is a deficient number, since it is larger than the sum of its proper divisors (171216472821404).

188338120103452 is a wasteful number, since it uses less digits than its factorization.

188338120103452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280411820548 (or 4280411820546 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 188338120103452 in words is "one hundred eighty-eight trillion, three hundred thirty-eight billion, one hundred twenty million, one hundred three thousand, four hundred fifty-two".