2012200221021 has 8 divisors (see below), whose sum is σ = 2683323446880. Its totient is φ = 1341271904592.

The previous prime is 2012200221007. The next prime is 2012200221041. The reversal of 2012200221021 is 1201220022102.

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

It is not a de Polignac number, because 2012200221021 - 2⁹ = 2012200220509 is a prime.

It is a super-2 number, since 2×2012200221021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012200221001) 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, 48703266 + ... + 48744563.

It is an arithmetic number, because the mean of its divisors is an integer number (335415430860).

Almost surely, 2^{2012200221021} is an apocalyptic number.

It is an amenable number.

2012200221021 is a deficient number, since it is larger than the sum of its proper divisors (671123225859).

2012200221021 is an equidigital number, since it uses as much as digits as its factorization.

2012200221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97454715.

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

Adding to 2012200221021 its reverse (1201220022102), we get a palindrome (3213420243123).

The spelling of 2012200221021 in words is "two trillion, twelve billion, two hundred million, two hundred twenty-one thousand, twenty-one".