212442221001 has 8 divisors (see below), whose sum is σ = 292393594624. Its totient is φ = 137059497360.

The previous prime is 212442220999. The next prime is 212442221077. The reversal of 212442221001 is 100122244212.

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

It is not a de Polignac number, because 212442221001 - 2¹ = 212442220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212442221701) 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, 1142162386 + ... + 1142162571.

It is an arithmetic number, because the mean of its divisors is an integer number (36549199328).

Almost surely, 2^212442221001 is an apocalyptic number.

It is an amenable number.

212442221001 is a deficient number, since it is larger than the sum of its proper divisors (79951373623).

212442221001 is a wasteful number, since it uses less digits than its factorization.

212442221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284324991.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212442221001 its reverse (100122244212), we get a palindrome (312564465213).

The spelling of 212442221001 in words is "two hundred twelve billion, four hundred forty-two million, two hundred twenty-one thousand, one".