23121222130 has 32 divisors (see below), whose sum is σ = 44096762880. Its totient is φ = 8698448640.

The previous prime is 23121222101. The next prime is 23121222161. The reversal of 23121222130 is 3122212132.

It is a junction number, because it is equal to n+sod(n) for n = 23121222098 and 23121222107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203841 + ... + 296299.

It is an arithmetic number, because the mean of its divisors is an integer number (1378023840).

Almost surely, 2^23121222130 is an apocalyptic number.

23121222130 is a deficient number, since it is larger than the sum of its proper divisors (20975540750).

23121222130 is a wasteful number, since it uses less digits than its factorization.

23121222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93954.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23121222130 its reverse (3122212132), we get a palindrome (26243434262).

The spelling of 23121222130 in words is "twenty-three billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty".