1431120012 has 24 divisors (see below), whose sum is σ = 3816320256. Its totient is φ = 408891408.

The previous prime is 1431120011. The next prime is 1431120013. The reversal of 1431120012 is 2100211341.

It is an interprime number because it is at equal distance from previous prime (1431120011) and next prime (1431120013).

It is a junction number, because it is equal to n+sod(n) for n = 1431119973 and 1431120000.

It is not an unprimeable number, because it can be changed into a prime (1431120011) 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 7 ways as a sum of consecutive naturals, for example, 8518488 + ... + 8518655.

It is an arithmetic number, because the mean of its divisors is an integer number (159013344).

Almost surely, 2^1431120012 is an apocalyptic number.

1431120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431120012 is an abundant number, since it is smaller than the sum of its proper divisors (2385200244).

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

1431120012 is a wasteful number, since it uses less digits than its factorization.

1431120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17037157 (or 17037155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1431120012 is about 37830.1468672803. The cubic root of 1431120012 is about 1126.9172277872.

Adding to 1431120012 its reverse (2100211341), we get a palindrome (3531331353).

The spelling of 1431120012 in words is "one billion, four hundred thirty-one million, one hundred twenty thousand, twelve".