431401120012 has 12 divisors (see below), whose sum is σ = 754965652896. Its totient is φ = 215696647760.

The previous prime is 431401120001. The next prime is 431401120013. The reversal of 431401120012 is 210021104134.

It is a super-2 number, since 2×431401120012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431401120013) 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, 722539 + ... + 1176802.

It is an arithmetic number, because the mean of its divisors is an integer number (62913804408).

Almost surely, 2^431401120012 is an apocalyptic number.

It is an amenable number.

431401120012 is a deficient number, since it is larger than the sum of its proper divisors (323564532884).

431401120012 is a wasteful number, since it uses less digits than its factorization.

431401120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956128 (or 1956126 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 431401120012 its reverse (210021104134), we get a palindrome (641422224146).

The spelling of 431401120012 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty thousand, twelve".