6121712202220 has 48 divisors (see below), whose sum is σ = 12956001196320. Its totient is φ = 2429581561344.

The previous prime is 6121712202173. The next prime is 6121712202223. The reversal of 6121712202220 is 222022171216.

It is not an unprimeable number, because it can be changed into a prime (6121712202223) 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, 3878272 + ... + 5223448.

It is an arithmetic number, because the mean of its divisors is an integer number (269916691590).

Almost surely, 2^{6121712202220} is an apocalyptic number.

It is an amenable number.

6121712202220 is an abundant number, since it is smaller than the sum of its proper divisors (6834288994100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6121712202220 is a wasteful number, since it uses less digits than its factorization.

6121712202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346962 (or 1346960 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 6121712202220 its reverse (222022171216), we get a palindrome (6343734373436).

The spelling of 6121712202220 in words is "six trillion, one hundred twenty-one billion, seven hundred twelve million, two hundred two thousand, two hundred twenty".