130001210123 has 4 divisors (see below), whose sum is σ = 131941526760. Its totient is φ = 128060893488.

The previous prime is 130001210111. The next prime is 130001210137. The reversal of 130001210123 is 321012100031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321012100031 = 7 ⋅45858871433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130001210123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130001210098 and 130001210107.

It is not an unprimeable number, because it can be changed into a prime (130001210723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 970158218 + ... + 970158351.

It is an arithmetic number, because the mean of its divisors is an integer number (32985381690).

Almost surely, 2^130001210123 is an apocalyptic number.

130001210123 is a deficient number, since it is larger than the sum of its proper divisors (1940316637).

130001210123 is an equidigital number, since it uses as much as digits as its factorization.

130001210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940316636.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 130001210123 its reverse (321012100031), we get a palindrome (451013310154).

The spelling of 130001210123 in words is "one hundred thirty billion, one million, two hundred ten thousand, one hundred twenty-three".