12122021021120 has 112 divisors (see below), whose sum is σ = 29647585335648. Its totient is φ = 4717461565440.

The previous prime is 12122021021093. The next prime is 12122021021147. The reversal of 12122021021120 is 2112012022121.

It is an interprime number because it is at equal distance from previous prime (12122021021093) and next prime (12122021021147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327842954 + ... + 327879926.

It is an arithmetic number, because the mean of its divisors is an integer number (264710583354).

Almost surely, 2^{12122021021120} is an apocalyptic number.

12122021021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122021021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14823792667824).

12122021021120 is an abundant number, since it is smaller than the sum of its proper divisors (17525564314528).

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

12122021021120 is a wasteful number, since it uses less digits than its factorization.

12122021021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64718 (or 64708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122021021120 its reverse (2112012022121), we get a palindrome (14234033043241).

It can be divided in two parts, 1212202 and 1021120, that added together give a palindrome (2233322).

The spelling of 12122021021120 in words is "twelve trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred twenty".