2312012213 has 8 divisors (see below), whose sum is σ = 2642645760. Its totient is φ = 1981465200.

The previous prime is 2312012201. The next prime is 2312012221. The reversal of 2312012213 is 3122102132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2312012213 - 2¹⁸ = 2311750069 is a prime.

It is a super-2 number, since 2×2312012213² = 10690800946122314738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312012191 and 2312012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312012243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52628 + ... + 85986.

It is an arithmetic number, because the mean of its divisors is an integer number (330330720).

Almost surely, 2^2312012213 is an apocalyptic number.

It is an amenable number.

2312012213 is a deficient number, since it is larger than the sum of its proper divisors (330633547).

2312012213 is an equidigital number, since it uses as much as digits as its factorization.

2312012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43267.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2312012213 is about 48083.3881189751. The cubic root of 2312012213 is about 1322.3001320068.

Adding to 2312012213 its reverse (3122102132), we get a palindrome (5434114345).

The spelling of 2312012213 in words is "two billion, three hundred twelve million, twelve thousand, two hundred thirteen".