12122052030 has 128 divisors (see below), whose sum is σ = 35299929600. Its totient is φ = 2935699200.

The previous prime is 12122052013. The next prime is 12122052077. The reversal of 12122052030 is 3025022121.

12122052030 is a `hidden beast` number, since 121 + 2 + 20 + 520 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12122051994 and 12122052012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4807170 + ... + 4809690.

It is an arithmetic number, because the mean of its divisors is an integer number (275780700).

Almost surely, 2^12122052030 is an apocalyptic number.

12122052030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122052030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17649964800).

12122052030 is an abundant number, since it is smaller than the sum of its proper divisors (23177877570).

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

12122052030 is a wasteful number, since it uses less digits than its factorization.

12122052030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4161 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12122052030 its reverse (3025022121), we get a palindrome (15147074151).

The spelling of 12122052030 in words is "twelve billion, one hundred twenty-two million, fifty-two thousand, thirty".