12949411028 has 12 divisors (see below), whose sum is σ = 22665484212. Its totient is φ = 6473558400.

The previous prime is 12949411021. The next prime is 12949411061. The reversal of 12949411028 is 82011494921.

It can be written as a sum of positive squares in 2 ways, for example, as 10177177924 + 2772233104 = 100882^2 + 52652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949411021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261125 + ... + 306732.

It is an arithmetic number, because the mean of its divisors is an integer number (1888790351).

Almost surely, 2^12949411028 is an apocalyptic number.

It is an amenable number.

12949411028 is a deficient number, since it is larger than the sum of its proper divisors (9716073184).

12949411028 is a wasteful number, since it uses less digits than its factorization.

12949411028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573562 (or 573560 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 12949411028 in words is "twelve billion, nine hundred forty-nine million, four hundred eleven thousand, twenty-eight".