2020012122001 has 4 divisors (see below), whose sum is σ = 2020330591552. Its totient is φ = 2019693652452.

The previous prime is 2020012121983. The next prime is 2020012122043. The reversal of 2020012122001 is 1002212100202.

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 not a de Polignac number, because 2020012122001 - 2²³ = 2020003733393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020012122071) 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, 159225261 + ... + 159237946.

It is an arithmetic number, because the mean of its divisors is an integer number (505082647888).

Almost surely, 2^{2020012122001} is an apocalyptic number.

It is an amenable number.

2020012122001 is a deficient number, since it is larger than the sum of its proper divisors (318469551).

2020012122001 is an equidigital number, since it uses as much as digits as its factorization.

2020012122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318469550.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020012122001 its reverse (1002212100202), we get a palindrome (3022224222203).

The spelling of 2020012122001 in words is "two trillion, twenty billion, twelve million, one hundred twenty-two thousand, one".