130000123213 has 4 divisors (see below), whose sum is σ = 130000899580. Its totient is φ = 129999346848.

The previous prime is 130000123181. The next prime is 130000123217. The reversal of 130000123213 is 312321000031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312321000031 = 6781 ⋅46058251.

It can be written as a sum of positive squares in 2 ways, for example, as 119051221444 + 10948901769 = 345038^2 + 104637^2 .

It is a cyclic number.

It is not a de Polignac number, because 130000123213 - 2⁵ = 130000123181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130000123217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21648 + ... + 510361.

It is an arithmetic number, because the mean of its divisors is an integer number (32500224895).

Almost surely, 2^130000123213 is an apocalyptic number.

It is an amenable number.

130000123213 is a deficient number, since it is larger than the sum of its proper divisors (776367).

130000123213 is an equidigital number, since it uses as much as digits as its factorization.

130000123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776366.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130000123213 its reverse (312321000031), we get a palindrome (442321123244).

The spelling of 130000123213 in words is "one hundred thirty billion, one hundred twenty-three thousand, two hundred thirteen".