2012020120221 has 8 divisors (see below), whose sum is σ = 2683051741440. Its totient is φ = 1341167622912.

The previous prime is 2012020120213. The next prime is 2012020120267. The reversal of 2012020120221 is 1220210202102.

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

It is not a de Polignac number, because 2012020120221 - 2³ = 2012020120213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012020120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020120021) 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, 44754765 + ... + 44799698.

It is an arithmetic number, because the mean of its divisors is an integer number (335381467680).

Almost surely, 2^{2012020120221} is an apocalyptic number.

It is an amenable number.

2012020120221 is a deficient number, since it is larger than the sum of its proper divisors (671031621219).

2012020120221 is an equidigital number, since it uses as much as digits as its factorization.

2012020120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89561955.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2012020120221 its reverse (1220210202102), we get a palindrome (3232230322323).

The spelling of 2012020120221 in words is "two trillion, twelve billion, twenty million, one hundred twenty thousand, two hundred twenty-one".