212301322121 has 8 divisors (see below), whose sum is σ = 242679932544. Its totient is φ = 181935174240.

The previous prime is 212301322111. The next prime is 212301322147. The reversal of 212301322121 is 121223103212.

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 212301322121 - 2¹⁰ = 212301321097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212301322093 and 212301322102.

It is not an unprimeable number, because it can be changed into a prime (212301322111) 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, 3079100 + ... + 3147293.

It is an arithmetic number, because the mean of its divisors is an integer number (30334991568).

Almost surely, 2^212301322121 is an apocalyptic number.

It is an amenable number.

212301322121 is a deficient number, since it is larger than the sum of its proper divisors (30378610423).

212301322121 is an equidigital number, since it uses as much as digits as its factorization.

212301322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231271.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212301322121 its reverse (121223103212), we get a palindrome (333524425333).

The spelling of 212301322121 in words is "two hundred twelve billion, three hundred one million, three hundred twenty-two thousand, one hundred twenty-one".