12546211802 has 4 divisors (see below), whose sum is σ = 18819317706. Its totient is φ = 6273105900.

The previous prime is 12546211793. The next prime is 12546211813. The reversal of 12546211802 is 20811264521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9302795401 + 3243416401 = 96451^2 + 56951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136552949 + ... + 3136552952.

Almost surely, 2^12546211802 is an apocalyptic number.

12546211802 is a deficient number, since it is larger than the sum of its proper divisors (6273105904).

12546211802 is an equidigital number, since it uses as much as digits as its factorization.

12546211802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273105903.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 12546211802 in words is "twelve billion, five hundred forty-six million, two hundred eleven thousand, eight hundred two".