312212322430233 has 4 divisors (see below), whose sum is σ = 416283096573648. Its totient is φ = 208141548286820.

The previous prime is 312212322430223. The next prime is 312212322430387. The reversal of 312212322430233 is 332034223212213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312212322430233 - 2¹³ = 312212322422041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312212322430194 and 312212322430203.

It is not an unprimeable number, because it can be changed into a prime (312212322430223) 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, 52035387071703 + ... + 52035387071708.

It is an arithmetic number, because the mean of its divisors is an integer number (104070774143412).

Almost surely, 2^{312212322430233} is an apocalyptic number.

It is an amenable number.

312212322430233 is a deficient number, since it is larger than the sum of its proper divisors (104070774143415).

312212322430233 is a wasteful number, since it uses less digits than its factorization.

312212322430233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104070774143414.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 312212322430233 its reverse (332034223212213), we get a palindrome (644246545642446).

The spelling of 312212322430233 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, four hundred thirty thousand, two hundred thirty-three".