188012145007 has 16 divisors (see below), whose sum is σ = 198543237120. Its totient is φ = 177545196000.

The previous prime is 188012144989. The next prime is 188012145011. The reversal of 188012145007 is 700541210881.

It is a de Polignac number, because none of the positive numbers 2^k-188012145007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188012145037) 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, 13826782 + ... + 13840372.

It is an arithmetic number, because the mean of its divisors is an integer number (12408952320).

Almost surely, 2^188012145007 is an apocalyptic number.

188012145007 is a deficient number, since it is larger than the sum of its proper divisors (10531092113).

188012145007 is a wasteful number, since it uses less digits than its factorization.

188012145007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15894.

The product of its (nonzero) digits is 17920, while the sum is 37.

Adding to 188012145007 its reverse (700541210881), we get a palindrome (888553355888).

The spelling of 188012145007 in words is "one hundred eighty-eight billion, twelve million, one hundred forty-five thousand, seven".