1212121130230 has 16 divisors (see below), whose sum is σ = 2184358001040. Its totient is φ = 484284015072.

The previous prime is 1212121130219. The next prime is 1212121130257. The reversal of 1212121130230 is 320311212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212121130198 and 1212121130207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70545609 + ... + 70562788.

It is an arithmetic number, because the mean of its divisors is an integer number (136522375065).

Almost surely, 2^{1212121130230} is an apocalyptic number.

1212121130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212121130230 is a deficient number, since it is larger than the sum of its proper divisors (972236870810).

1212121130230 is a wasteful number, since it uses less digits than its factorization.

1212121130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141109263.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1212121130230 its reverse (320311212121), we get a palindrome (1532432342351).

The spelling of 1212121130230 in words is "one trillion, two hundred twelve billion, one hundred twenty-one million, one hundred thirty thousand, two hundred thirty".