212022012220001 has 4 divisors (see below), whose sum is σ = 213322760761392. Its totient is φ = 210721263678612.

The previous prime is 212022012219929. The next prime is 212022012220021. The reversal of 212022012220001 is 100022210220212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212022012220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022012220021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650374270451 + ... + 650374270776.

It is an arithmetic number, because the mean of its divisors is an integer number (53330690190348).

Almost surely, 2^{212022012220001} is an apocalyptic number.

It is an amenable number.

212022012220001 is a deficient number, since it is larger than the sum of its proper divisors (1300748541391).

212022012220001 is a wasteful number, since it uses less digits than its factorization.

212022012220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300748541390.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212022012220001 its reverse (100022210220212), we get a palindrome (312044222440213).

The spelling of 212022012220001 in words is "two hundred twelve trillion, twenty-two billion, twelve million, two hundred twenty thousand, one".