12100120111222 has 16 divisors (see below), whose sum is σ = 21323288588112. Its totient is φ = 5076973473120.

The previous prime is 12100120111213. The next prime is 12100120111253. The reversal of 12100120111222 is 22211102100121.

It is a junction number, because it is equal to n+sod(n) for n = 12100120111196 and 12100120111205.

It is a congruent number.

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, 21154055853 + ... + 21154056424.

It is an arithmetic number, because the mean of its divisors is an integer number (1332705536757).

Almost surely, 2^{12100120111222} is an apocalyptic number.

12100120111222 is a deficient number, since it is larger than the sum of its proper divisors (9223168476890).

12100120111222 is a wasteful number, since it uses less digits than its factorization.

12100120111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42308112303.

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

Adding to 12100120111222 its reverse (22211102100121), we get a palindrome (34311222211343).

The spelling of 12100120111222 in words is "twelve trillion, one hundred billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-two".