312212003101 has 4 divisors (see below), whose sum is σ = 312218071452. Its totient is φ = 312205934752.

The previous prime is 312212003093. The next prime is 312212003111. The reversal of 312212003101 is 101300212213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101300212213 = 613 ⋅165253201.

It can be written as a sum of positive squares in 2 ways, for example, as 128612607876 + 183599395225 = 358626^2 + 428485^2 .

It is a cyclic number.

It is not a de Polignac number, because 312212003101 - 2³ = 312212003093 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 (312212003111) 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, 2956336 + ... + 3060121.

It is an arithmetic number, because the mean of its divisors is an integer number (78054517863).

Almost surely, 2^312212003101 is an apocalyptic number.

It is an amenable number.

312212003101 is a deficient number, since it is larger than the sum of its proper divisors (6068351).

312212003101 is an equidigital number, since it uses as much as digits as its factorization.

312212003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068350.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312212003101 its reverse (101300212213), we get a palindrome (413512215314).

The spelling of 312212003101 in words is "three hundred twelve billion, two hundred twelve million, three thousand, one hundred one".