12777530202 has 48 divisors (see below), whose sum is σ = 28128278880. Its totient is φ = 4191064416.

The previous prime is 12777530179. The next prime is 12777530209. The reversal of 12777530202 is 20203577721.

It is not an unprimeable number, because it can be changed into a prime (12777530209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216449 + ... + 1226907.

It is an arithmetic number, because the mean of its divisors is an integer number (586005810).

Almost surely, 2^12777530202 is an apocalyptic number.

12777530202 is an abundant number, since it is smaller than the sum of its proper divisors (15350748678).

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

12777530202 is a wasteful number, since it uses less digits than its factorization.

12777530202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547 (or 11544 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The spelling of 12777530202 in words is "twelve billion, seven hundred seventy-seven million, five hundred thirty thousand, two hundred two".