212012130323 has 4 divisors (see below), whose sum is σ = 242299577520. Its totient is φ = 181724683128.

The previous prime is 212012130301. The next prime is 212012130373. The reversal of 212012130323 is 323031210212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212012130323 - 2⁶ = 212012130259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212012130295 and 212012130304.

It is not an unprimeable number, because it can be changed into a prime (212012130373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15143723588 + ... + 15143723601.

It is an arithmetic number, because the mean of its divisors is an integer number (60574894380).

Almost surely, 2^212012130323 is an apocalyptic number.

212012130323 is a deficient number, since it is larger than the sum of its proper divisors (30287447197).

212012130323 is an equidigital number, since it uses as much as digits as its factorization.

212012130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30287447196.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212012130323 its reverse (323031210212), we get a palindrome (535043340535).

The spelling of 212012130323 in words is "two hundred twelve billion, twelve million, one hundred thirty thousand, three hundred twenty-three".