6121900272 has 80 divisors (see below), whose sum is σ = 15962728320. Its totient is φ = 2021627136.

The previous prime is 6121900249. The next prime is 6121900297. The reversal of 6121900272 is 2720091216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5156863 + ... + 5158049.

It is an arithmetic number, because the mean of its divisors is an integer number (199534104).

Almost surely, 2^6121900272 is an apocalyptic number.

It is an amenable number.

6121900272 is an abundant number, since it is smaller than the sum of its proper divisors (9840828048).

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

6121900272 is a wasteful number, since it uses less digits than its factorization.

6121900272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 6121900272 is about 78242.5732705667. The cubic root of 6121900272 is about 1829.3441538859.

Adding to 6121900272 its reverse (2720091216), we get a palindrome (8841991488).

The spelling of 6121900272 in words is "six billion, one hundred twenty-one million, nine hundred thousand, two hundred seventy-two".