188851012 has 48 divisors (see below), whose sum is σ = 390563712. Its totient is φ = 78220800.

The previous prime is 188851007. The next prime is 188851049. The reversal of 188851012 is 210158881.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120828 + ... + 122380.

It is an arithmetic number, because the mean of its divisors is an integer number (8136744).

Almost surely, 2^188851012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188851012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195281856).

188851012 is an abundant number, since it is smaller than the sum of its proper divisors (201712700).

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

188851012 is a wasteful number, since it uses less digits than its factorization.

188851012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 188851012 is about 13742.3073754010. The cubic root of 188851012 is about 573.7285195338.

It can be divided in two parts, 1888 and 51012, that added together give a square (52900 = 230²).

The spelling of 188851012 in words is "one hundred eighty-eight million, eight hundred fifty-one thousand, twelve".