12357727770 has 32 divisors (see below), whose sum is σ = 29661632640. Its totient is φ = 3295051200.

The previous prime is 12357727769. The next prime is 12357727777. The reversal of 12357727770 is 7772775321.

12357727770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12357727777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422376 + ... + 450684.

It is an arithmetic number, because the mean of its divisors is an integer number (926926020).

Almost surely, 2^12357727770 is an apocalyptic number.

12357727770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12357727770 is an abundant number, since it is smaller than the sum of its proper divisors (17303904870).

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

12357727770 is a wasteful number, since it uses less digits than its factorization.

12357727770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42870.

The product of its (nonzero) digits is 1008420, while the sum is 48.

The spelling of 12357727770 in words is "twelve billion, three hundred fifty-seven million, seven hundred twenty-seven thousand, seven hundred seventy".