12111069946 has 16 divisors (see below), whose sum is σ = 19408160160. Its totient is φ = 5651197200.

The previous prime is 12111069931. The next prime is 12111069947. The reversal of 12111069946 is 64996011121.

It is a junction number, because it is equal to n+sod(n) for n = 12111069899 and 12111069908.

It is not an unprimeable number, because it can be changed into a prime (12111069947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375905 + ... + 2380996.

It is an arithmetic number, because the mean of its divisors is an integer number (1213010010).

Almost surely, 2^12111069946 is an apocalyptic number.

12111069946 is a deficient number, since it is larger than the sum of its proper divisors (7297090214).

12111069946 is a wasteful number, since it uses less digits than its factorization.

12111069946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756989.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 12111069946 in words is "twelve billion, one hundred eleven million, sixty-nine thousand, nine hundred forty-six".