12121330130 has 64 divisors (see below), whose sum is σ = 27293753088. Its totient is φ = 3773295360.

The previous prime is 12121330121. The next prime is 12121330153. The reversal of 12121330130 is 3103312121.

It is a junction number, because it is equal to n+sod(n) for n = 12121330099 and 12121330108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53672 + ... + 164691.

It is an arithmetic number, because the mean of its divisors is an integer number (426464892).

Almost surely, 2^12121330130 is an apocalyptic number.

12121330130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121330130 is an abundant number, since it is smaller than the sum of its proper divisors (15172422958).

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

12121330130 is a wasteful number, since it uses less digits than its factorization.

12121330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218451.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12121330130 its reverse (3103312121), we get a palindrome (15224642251).

The spelling of 12121330130 in words is "twelve billion, one hundred twenty-one million, three hundred thirty thousand, one hundred thirty".