12111002212012 has 36 divisors (see below), whose sum is σ = 23299244990280. Its totient is φ = 5504272797760.

The previous prime is 12111002211977. The next prime is 12111002212021. The reversal of 12111002212012 is 21021220011121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2016039 + ... + 5318497.

It is an arithmetic number, because the mean of its divisors is an integer number (647201249730).

Almost surely, 2^{12111002212012} is an apocalyptic number.

It is an amenable number.

12111002212012 is a deficient number, since it is larger than the sum of its proper divisors (11188242778268).

12111002212012 is a wasteful number, since it uses less digits than its factorization.

12111002212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310062 (or 3310049 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12111002212012 its reverse (21021220011121), we get a palindrome (33132222223133).

The spelling of 12111002212012 in words is "twelve trillion, one hundred eleven billion, two million, two hundred twelve thousand, twelve".