111393387012 has 48 divisors (see below), whose sum is σ = 266006343680. Its totient is φ = 36261636768.

The previous prime is 111393386989. The next prime is 111393387013. The reversal of 111393387012 is 210783393111.

It is not an unprimeable number, because it can be changed into a prime (111393387013) 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, 3989733 + ... + 4017555.

Almost surely, 2^111393387012 is an apocalyptic number.

111393387012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111393387012 is an abundant number, since it is smaller than the sum of its proper divisors (154612956668).

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

111393387012 is a wasteful number, since it uses less digits than its factorization.

111393387012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35632 (or 35630 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 111393387012 in words is "one hundred eleven billion, three hundred ninety-three million, three hundred eighty-seven thousand, twelve".