12101120122 has 32 divisors (see below), whose sum is σ = 22350125952. Its totient is φ = 4785200064.

The previous prime is 12101120093. The next prime is 12101120123. The reversal of 12101120122 is 22102110121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12101120123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452373 + ... + 478375.

It is an arithmetic number, because the mean of its divisors is an integer number (698441436).

Almost surely, 2^12101120122 is an apocalyptic number.

12101120122 is a deficient number, since it is larger than the sum of its proper divisors (10249005830).

12101120122 is a wasteful number, since it uses less digits than its factorization.

12101120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12101120122 its reverse (22102110121), we get a palindrome (34203230243).

The spelling of 12101120122 in words is "twelve billion, one hundred one million, one hundred twenty thousand, one hundred twenty-two".