212030123001 has 4 divisors (see below), whose sum is σ = 282706830672. Its totient is φ = 141353415332.

The previous prime is 212030122991. The next prime is 212030123089. The reversal of 212030123001 is 100321030212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212030123001 - 2⁶ = 212030122937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212030133001) 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, 35338353831 + ... + 35338353836.

It is an arithmetic number, because the mean of its divisors is an integer number (70676707668).

Almost surely, 2^212030123001 is an apocalyptic number.

It is an amenable number.

212030123001 is a deficient number, since it is larger than the sum of its proper divisors (70676707671).

212030123001 is an equidigital number, since it uses as much as digits as its factorization.

212030123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70676707670.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212030123001 its reverse (100321030212), we get a palindrome (312351153213).

The spelling of 212030123001 in words is "two hundred twelve billion, thirty million, one hundred twenty-three thousand, one".