212212012001 has 6 divisors (see below), whose sum is σ = 233257831506. Its totient is φ = 192920010800.

The previous prime is 212212011983. The next prime is 212212012003. The reversal of 212212012001 is 100210212212.

It can be written as a sum of positive squares in only one way, i.e., 149421675601 + 62790336400 = 386551^2 + 250580^2 .

It is not a de Polignac number, because 212212012001 - 2⁶ = 212212011937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212012003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876909020 + ... + 876909261.

It is an arithmetic number, because the mean of its divisors is an integer number (38876305251).

Almost surely, 2^212212012001 is an apocalyptic number.

It is an amenable number.

212212012001 is a deficient number, since it is larger than the sum of its proper divisors (21045819505).

212212012001 is a wasteful number, since it uses less digits than its factorization.

212212012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753818303 (or 1753818292 counting only the distinct ones).

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

Adding to 212212012001 its reverse (100210212212), we get a palindrome (312422224213).

The spelling of 212212012001 in words is "two hundred twelve billion, two hundred twelve million, twelve thousand, one".