212212112001 has 16 divisors (see below), whose sum is σ = 285722176896. Its totient is φ = 140088640896.

The previous prime is 212212111961. The next prime is 212212112027. The reversal of 212212112001 is 100211212212.

It is not a de Polignac number, because 212212112001 - 2³⁴ = 195032242817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212212114001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4498131 + ... + 4545063.

It is an arithmetic number, because the mean of its divisors is an integer number (17857636056).

Almost surely, 2^212212112001 is an apocalyptic number.

It is an amenable number.

212212112001 is a deficient number, since it is larger than the sum of its proper divisors (73510064895).

212212112001 is a wasteful number, since it uses less digits than its factorization.

212212112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61672.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212212112001 its reverse (100211212212), we get a palindrome (312423324213).

The spelling of 212212112001 in words is "two hundred twelve billion, two hundred twelve million, one hundred twelve thousand, one".