12777350530 has 32 divisors (see below), whose sum is σ = 26347628160. Its totient is φ = 4370340480.

The previous prime is 12777350519. The next prime is 12777350539. The reversal of 12777350530 is 3505377721.

It is not an unprimeable number, because it can be changed into a prime (12777350539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188491 + ... + 247150.

It is an arithmetic number, because the mean of its divisors is an integer number (823363380).

Almost surely, 2^12777350530 is an apocalyptic number.

12777350530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12777350530 is an abundant number, since it is smaller than the sum of its proper divisors (13570277630).

12777350530 is a wasteful number, since it uses less digits than its factorization.

12777350530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436074.

The product of its (nonzero) digits is 154350, while the sum is 40.

The spelling of 12777350530 in words is "twelve billion, seven hundred seventy-seven million, three hundred fifty thousand, five hundred thirty".