12121211000122 has 16 divisors (see below), whose sum is σ = 20826551940480. Its totient is φ = 5182971443568.

The previous prime is 12121211000117. The next prime is 12121211000131. The reversal of 12121211000122 is 22100011212121.

It is a super-2 number, since 2×12121211000122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12121211000096 and 12121211000105.

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, 986099533 + ... + 986111824.

It is an arithmetic number, because the mean of its divisors is an integer number (1301659496280).

Almost surely, 2^{12121211000122} is an apocalyptic number.

12121211000122 is a deficient number, since it is larger than the sum of its proper divisors (8705340940358).

12121211000122 is a wasteful number, since it uses less digits than its factorization.

12121211000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972211805.

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

Adding to 12121211000122 its reverse (22100011212121), we get a palindrome (34221222212243).

The spelling of 12121211000122 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty-two", and thus it is an aban number.