188354071412 has 48 divisors (see below), whose sum is σ = 361788532560. Its totient is φ = 85265077248.

The previous prime is 188354071393. The next prime is 188354071429. The reversal of 188354071412 is 214170453881.

It can be written as a sum of positive squares in 8 ways, for example, as 549714916 + 187804356496 = 23446^2 + 433364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10378298 + ... + 10396430.

It is an arithmetic number, because the mean of its divisors is an integer number (7537261095).

Almost surely, 2^188354071412 is an apocalyptic number.

It is an amenable number.

188354071412 is a deficient number, since it is larger than the sum of its proper divisors (173434461148).

188354071412 is a wasteful number, since it uses less digits than its factorization.

188354071412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21972 (or 21970 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 188354071412 in words is "one hundred eighty-eight billion, three hundred fifty-four million, seventy-one thousand, four hundred twelve".