6121255330 has 16 divisors (see below), whose sum is σ = 11398200120. Its totient is φ = 2364070912.

The previous prime is 6121255291. The next prime is 6121255339. The reversal of 6121255330 is 335521216.

It can be written as a sum of positive squares in 4 ways, for example, as 4563137601 + 1558117729 = 67551^2 + 39473^2 .

It is not an unprimeable number, because it can be changed into a prime (6121255339) 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, 10553599 + ... + 10554178.

Almost surely, 2^6121255330 is an apocalyptic number.

6121255330 is a deficient number, since it is larger than the sum of its proper divisors (5276944790).

6121255330 is a wasteful number, since it uses less digits than its factorization.

6121255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21107813.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 6121255330 is about 78238.4517357035. The cubic root of 6121255330 is about 1829.2799111803.

Adding to 6121255330 its reverse (335521216), we get a palindrome (6456776546).

The spelling of 6121255330 in words is "six billion, one hundred twenty-one million, two hundred fifty-five thousand, three hundred thirty".