312212343303101 has 4 divisors (see below), whose sum is σ = 316609700251104. Its totient is φ = 307814986355100.

The previous prime is 312212343303089. The next prime is 312212343303121. The reversal of 312212343303101 is 101303343212213.

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 312212343303101 - 2³⁴ = 312195163433917 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 (312212343303121) 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, 2198678473895 + ... + 2198678474036.

It is an arithmetic number, because the mean of its divisors is an integer number (79152425062776).

Almost surely, 2^{312212343303101} is an apocalyptic number.

It is an amenable number.

312212343303101 is a deficient number, since it is larger than the sum of its proper divisors (4397356948003).

312212343303101 is an equidigital number, since it uses as much as digits as its factorization.

312212343303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397356948002.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 312212343303101 its reverse (101303343212213), we get a palindrome (413515686515314).

The spelling of 312212343303101 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred forty-three million, three hundred three thousand, one hundred one".