1251423300012 has 12 divisors (see below), whose sum is σ = 2919987700056. Its totient is φ = 417141100000.

The previous prime is 1251423299977. The next prime is 1251423300037. The reversal of 1251423300012 is 2100033241521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52142637489 + ... + 52142637512.

It is an arithmetic number, because the mean of its divisors is an integer number (243332308338).

Almost surely, 2^{1251423300012} is an apocalyptic number.

1251423300012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1251423300012 is an abundant number, since it is smaller than the sum of its proper divisors (1668564400044).

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

1251423300012 is a wasteful number, since it uses less digits than its factorization.

1251423300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104285275008 (or 104285275006 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1251423300012 its reverse (2100033241521), we get a palindrome (3351456541533).

The spelling of 1251423300012 in words is "one trillion, two hundred fifty-one billion, four hundred twenty-three million, three hundred thousand, twelve".