2630121228 has 36 divisors (see below), whose sum is σ = 7598128720. Its totient is φ = 751463136.

The previous prime is 2630121173. The next prime is 2630121253. The reversal of 2630121228 is 8221210362.

2630121228 is a `hidden beast` number, since 2 + 630 + 1 + 2 + 1 + 2 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5218243 + ... + 5218746.

Almost surely, 2^2630121228 is an apocalyptic number.

2630121228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2630121228 is an abundant number, since it is smaller than the sum of its proper divisors (4968007492).

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

2630121228 is a wasteful number, since it uses less digits than its factorization.

2630121228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10437006 (or 10437001 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2630121228 is about 51284.7075452322. The cubic root of 2630121228 is about 1380.3585898629.

The spelling of 2630121228 in words is "two billion, six hundred thirty million, one hundred twenty-one thousand, two hundred twenty-eight".