312122132101 has 8 divisors (see below), whose sum is σ = 338144292864. Its totient is φ = 286387509360.

The previous prime is 312122132099. The next prime is 312122132117. The reversal of 312122132101 is 101231221213.

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 312122132101 - 2¹ = 312122132099 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 (312122132401) 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, 71882245 + ... + 71886586.

It is an arithmetic number, because the mean of its divisors is an integer number (42268036608).

Almost surely, 2^312122132101 is an apocalyptic number.

It is an amenable number.

312122132101 is a deficient number, since it is larger than the sum of its proper divisors (26022160763).

312122132101 is a wasteful number, since it uses less digits than its factorization.

312122132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143769011.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312122132101 its reverse (101231221213), we get a palindrome (413353353314).

The spelling of 312122132101 in words is "three hundred twelve billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred one".