1294120012 has 12 divisors (see below), whose sum is σ = 2342803680. Its totient is φ = 624747536.

The previous prime is 1294120007. The next prime is 1294120013. The reversal of 1294120012 is 2100214921.

It is not an unprimeable number, because it can be changed into a prime (1294120013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5577988 + ... + 5578219.

It is an arithmetic number, because the mean of its divisors is an integer number (195233640).

Almost surely, 2^1294120012 is an apocalyptic number.

It is an amenable number.

1294120012 is a deficient number, since it is larger than the sum of its proper divisors (1048683668).

1294120012 is a wasteful number, since it uses less digits than its factorization.

1294120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156240 (or 11156238 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1294120012 is about 35973.8795794949. The cubic root of 1294120012 is about 1089.7449146375.

Adding to 1294120012 its reverse (2100214921), we get a palindrome (3394334933).

The spelling of 1294120012 in words is "one billion, two hundred ninety-four million, one hundred twenty thousand, twelve".