2120212212001 has 16 divisors (see below), whose sum is σ = 2320014251520. Its totient is φ = 1925762610240.

The previous prime is 2120212211993. The next prime is 2120212212007. The reversal of 2120212212001 is 1002122120212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2120212212001 - 2³ = 2120212211993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120212212007) 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, 1786665 + ... + 2726278.

It is an arithmetic number, because the mean of its divisors is an integer number (145000890720).

Almost surely, 2^{2120212212001} is an apocalyptic number.

It is an amenable number.

2120212212001 is a deficient number, since it is larger than the sum of its proper divisors (199802039519).

2120212212001 is a wasteful number, since it uses less digits than its factorization.

2120212212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513536.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120212212001 its reverse (1002122120212), we get a palindrome (3122334332213).

The spelling of 2120212212001 in words is "two trillion, one hundred twenty billion, two hundred twelve million, two hundred twelve thousand, one".