6121772200 has 24 divisors (see below), whose sum is σ = 14233120830. Its totient is φ = 2448708800.

The previous prime is 6121772191. The next prime is 6121772201. The reversal of 6121772200 is 22771216.

It can be written as a sum of positive squares in 3 ways, for example, as 5955826276 + 165945924 = 77174^2 + 12882^2 .

It is not an unprimeable number, because it can be changed into a prime (6121772201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15304231 + ... + 15304630.

Almost surely, 2^6121772200 is an apocalyptic number.

It is an amenable number.

6121772200 is an abundant number, since it is smaller than the sum of its proper divisors (8111348630).

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

6121772200 is a wasteful number, since it uses less digits than its factorization.

6121772200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30608877 (or 30608868 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 6121772200 is about 78241.7548371712. The cubic root of 6121772200 is about 1829.3313969865.

The spelling of 6121772200 in words is "six billion, one hundred twenty-one million, seven hundred seventy-two thousand, two hundred".