12212201121122 has 16 divisors (see below), whose sum is σ = 18565472019840. Its totient is φ = 6023837890512.

The previous prime is 12212201121103. The next prime is 12212201121137. The reversal of 12212201121122 is 22112110221221.

It is a junction number, because it is equal to n+sod(n) for n = 12212201121094 and 12212201121103.

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, 31668368 + ... + 32051675.

It is an arithmetic number, because the mean of its divisors is an integer number (1160342001240).

Almost surely, 2^{12212201121122} is an apocalyptic number.

12212201121122 is a deficient number, since it is larger than the sum of its proper divisors (6353270898718).

12212201121122 is a wasteful number, since it uses less digits than its factorization.

12212201121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63721337.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12212201121122 its reverse (22112110221221), we get a palindrome (34324311342343).

The spelling of 12212201121122 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-two".