212120231001 has 8 divisors (see below), whose sum is σ = 323230828224. Its totient is φ = 121211560560.

The previous prime is 212120230981. The next prime is 212120231003. The reversal of 212120231001 is 100132021212.

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

It is not a de Polignac number, because 212120231001 - 2⁶ = 212120230937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212120231003) 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, 5050481670 + ... + 5050481711.

It is an arithmetic number, because the mean of its divisors is an integer number (40403853528).

Almost surely, 2^212120231001 is an apocalyptic number.

212120231001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212120231001 is a deficient number, since it is larger than the sum of its proper divisors (111110597223).

212120231001 is a wasteful number, since it uses less digits than its factorization.

212120231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100963391.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212120231001 its reverse (100132021212), we get a palindrome (312252252213).

The spelling of 212120231001 in words is "two hundred twelve billion, one hundred twenty million, two hundred thirty-one thousand, one".