12011121096 has 128 divisors (see below), whose sum is σ = 33156103680. Its totient is φ = 3602820096.

The previous prime is 12011121079. The next prime is 12011121097. The reversal of 12011121096 is 69012111021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12011121097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4060450 + ... + 4063406.

It is an arithmetic number, because the mean of its divisors is an integer number (259032060).

Almost surely, 2^12011121096 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 12011121096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16578051840).

12011121096 is an abundant number, since it is smaller than the sum of its proper divisors (21144982584).

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

12011121096 is a wasteful number, since it uses less digits than its factorization.

12011121096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 12011121096 in words is "twelve billion, eleven million, one hundred twenty-one thousand, ninety-six".