12120122121162 has 48 divisors (see below), whose sum is σ = 26740424426016. Its totient is φ = 3659505141600.

The previous prime is 12120122121161. The next prime is 12120122121167. The reversal of 12120122121162 is 26112122102121.

It is not an unprimeable number, because it can be changed into a prime (12120122121161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29933164 + ... + 30335367.

It is an arithmetic number, because the mean of its divisors is an integer number (557092175542).

Almost surely, 2^{12120122121162} is an apocalyptic number.

12120122121162 is an abundant number, since it is smaller than the sum of its proper divisors (14620302304854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120122121162 is a wasteful number, since it uses less digits than its factorization.

12120122121162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60268835 (or 60268824 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 12120122121162 its reverse (26112122102121), we get a palindrome (38232244223283).

The spelling of 12120122121162 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred sixty-two".