1431985236972 has 24 divisors (see below), whose sum is σ = 3342128723136. Its totient is φ = 477209864208.

The previous prime is 1431985236971. The next prime is 1431985237013. The reversal of 1431985236972 is 2796325891341.

It is not an unprimeable number, because it can be changed into a prime (1431985236971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14768178 + ... + 14864825.

It is an arithmetic number, because the mean of its divisors is an integer number (139255363464).

Almost surely, 2^{1431985236972} is an apocalyptic number.

1431985236972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431985236972 is an abundant number, since it is smaller than the sum of its proper divisors (1910143486164).

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

1431985236972 is a wasteful number, since it uses less digits than its factorization.

1431985236972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29637037 (or 29637035 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 1431985236972 in words is "one trillion, four hundred thirty-one billion, nine hundred eighty-five million, two hundred thirty-six thousand, nine hundred seventy-two".