111296019912 has 256 divisors, whose sum is σ = 354612971520. Its totient is φ = 28268697600.

The previous prime is 111296019839. The next prime is 111296019973. The reversal of 111296019912 is 219910692111.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32417748 + ... + 32421180.

It is an arithmetic number, because the mean of its divisors is an integer number (1385206920).

Almost surely, 2^111296019912 is an apocalyptic number.

111296019912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111296019912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177306485760).

111296019912 is an abundant number, since it is smaller than the sum of its proper divisors (243316951608).

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

111296019912 is a wasteful number, since it uses less digits than its factorization.

111296019912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3840 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 42.

The spelling of 111296019912 in words is "one hundred eleven billion, two hundred ninety-six million, nineteen thousand, nine hundred twelve".