212112220001 has 8 divisors (see below), whose sum is σ = 231785367264. Its totient is φ = 192504109120.

The previous prime is 212112219997. The next prime is 212112220003. The reversal of 212112220001 is 100022211212.

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 212112220001 - 2² = 212112219997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112220003) 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, 16252271 + ... + 16265316.

It is an arithmetic number, because the mean of its divisors is an integer number (28973170908).

Almost surely, 2^212112220001 is an apocalyptic number.

It is an amenable number.

212112220001 is a deficient number, since it is larger than the sum of its proper divisors (19673147263).

212112220001 is a wasteful number, since it uses less digits than its factorization.

212112220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32518191.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212112220001 its reverse (100022211212), we get a palindrome (312134431213).

The spelling of 212112220001 in words is "two hundred twelve billion, one hundred twelve million, two hundred twenty thousand, one".