12100122122222 has 16 divisors (see below), whose sum is σ = 18222051781440. Its totient is φ = 6026108080128.

The previous prime is 12100122122213. The next prime is 12100122122233. The reversal of 12100122122222 is 22222122100121.

It is a junction number, because it is equal to n+sod(n) for n = 12100122122194 and 12100122122203.

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, 6793154 + ... + 8387322.

It is an arithmetic number, because the mean of its divisors is an integer number (1138878236340).

Almost surely, 2^{12100122122222} is an apocalyptic number.

12100122122222 is a deficient number, since it is larger than the sum of its proper divisors (6121929659218).

12100122122222 is a wasteful number, since it uses less digits than its factorization.

12100122122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609195.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12100122122222 its reverse (22222122100121), we get a palindrome (34322244222343).

The spelling of 12100122122222 in words is "twelve trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".