2020012120001 has 8 divisors (see below), whose sum is σ = 2142173092104. Its totient is φ = 1898221895680.

The previous prime is 2020012119997. The next prime is 2020012120003. The reversal of 2020012120001 is 1000212100202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1656163086400 + 363849033601 = 1286920^2 + 603199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020012120001 - 2² = 2020012119997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020012120003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92675720 + ... + 92697513.

It is an arithmetic number, because the mean of its divisors is an integer number (267771636513).

Almost surely, 2^{2020012120001} is an apocalyptic number.

It is an amenable number.

2020012120001 is a deficient number, since it is larger than the sum of its proper divisors (122160972103).

2020012120001 is a wasteful number, since it uses less digits than its factorization.

2020012120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185373891.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020012120001 its reverse (1000212100202), we get a palindrome (3020224220203).

The spelling of 2020012120001 in words is "two trillion, twenty billion, twelve million, one hundred twenty thousand, one".