202012120222001 has 16 divisors (see below), whose sum is σ = 210233336423040. Its totient is φ = 193874632936320.

The previous prime is 202012120221959. The next prime is 202012120222007. The reversal of 202012120222001 is 100222021210202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202012120222001 - 2¹⁴ = 202012120205617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012120222007) 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, 280665341 + ... + 281384181.

It is an arithmetic number, because the mean of its divisors is an integer number (13139583526440).

Almost surely, 2^{202012120222001} is an apocalyptic number.

It is an amenable number.

202012120222001 is a deficient number, since it is larger than the sum of its proper divisors (8221216201039).

202012120222001 is a wasteful number, since it uses less digits than its factorization.

202012120222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777064.

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

Adding to 202012120222001 its reverse (100222021210202), we get a palindrome (302234141432203).

The spelling of 202012120222001 in words is "two hundred two trillion, twelve billion, one hundred twenty million, two hundred twenty-two thousand, one".