12120130021130 has 32 divisors (see below), whose sum is σ = 22667070574800. Its totient is φ = 4660437261312.

The previous prime is 12120130021127. The next prime is 12120130021147. The reversal of 12120130021130 is 3112003102121.

It can be written as a sum of positive squares in 8 ways, for example, as 5649572795689 + 6470557225441 = 2376883^2 + 2543729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12120130021099 and 12120130021108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91185887 + ... + 91318706.

Almost surely, 2^{12120130021130} is an apocalyptic number.

12120130021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120130021130 is a deficient number, since it is larger than the sum of its proper divisors (10546940553670).

12120130021130 is a wasteful number, since it uses less digits than its factorization.

12120130021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182504858.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12120130021130 its reverse (3112003102121), we get a palindrome (15232133123251).

The spelling of 12120130021130 in words is "twelve trillion, one hundred twenty billion, one hundred thirty million, twenty-one thousand, one hundred thirty".