312021121227 has 8 divisors (see below), whose sum is σ = 416993425920. Its totient is φ = 207531448680.

The previous prime is 312021121189. The next prime is 312021121231. The reversal of 312021121227 is 722121120213.

It is a happy number.

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

It is not a de Polignac number, because 312021121227 - 2⁷ = 312021121099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312021121197 and 312021121206.

It is not an unprimeable number, because it can be changed into a prime (312021121627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120656527 + ... + 120659112.

It is an arithmetic number, because the mean of its divisors is an integer number (52124178240).

Almost surely, 2^312021121227 is an apocalyptic number.

312021121227 is a deficient number, since it is larger than the sum of its proper divisors (104972304693).

312021121227 is a wasteful number, since it uses less digits than its factorization.

312021121227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241316073.

The product of its (nonzero) digits is 672, while the sum is 24.

The spelling of 312021121227 in words is "three hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-seven".