12111120012122 has 16 divisors (see below), whose sum is σ = 18183127786560. Its totient is φ = 6050078100192.

The previous prime is 12111120012059. The next prime is 12111120012137. The reversal of 12111120012122 is 22121002111121.

It is a self number, because there is not a number n which added to its sum of digits gives 12111120012122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37104443 + ... + 37429425.

It is an arithmetic number, because the mean of its divisors is an integer number (1136445486660).

Almost surely, 2^{12111120012122} is an apocalyptic number.

12111120012122 is a deficient number, since it is larger than the sum of its proper divisors (6072007774438).

12111120012122 is a wasteful number, since it uses less digits than its factorization.

12111120012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341797.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111120012122 its reverse (22121002111121), we get a palindrome (34232122123243).

The spelling of 12111120012122 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, twelve thousand, one hundred twenty-two".