212310121129 has 8 divisors (see below), whose sum is σ = 215852504000. Its totient is φ = 208769734800.

The previous prime is 212310121013. The next prime is 212310121139. The reversal of 212310121129 is 921121013212.

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 212310121129 - 2¹⁹ = 212309596841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212310121139) 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, 283917 + ... + 710794.

It is an arithmetic number, because the mean of its divisors is an integer number (26981563000).

Almost surely, 2^212310121129 is an apocalyptic number.

It is an amenable number.

212310121129 is a deficient number, since it is larger than the sum of its proper divisors (3542382871).

212310121129 is an equidigital number, since it uses as much as digits as its factorization.

212310121129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998271.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 212310121129 in words is "two hundred twelve billion, three hundred ten million, one hundred twenty-one thousand, one hundred twenty-nine".