400232012340012 has 24 divisors (see below), whose sum is σ = 940142310870000. Its totient is φ = 132515297150016.

The previous prime is 400232012340011. The next prime is 400232012340023. The reversal of 400232012340012 is 210043210232004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (400232012340011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111921701887 + ... + 111921705462.

It is an arithmetic number, because the mean of its divisors is an integer number (39172596286250).

Almost surely, 2^{400232012340012} is an apocalyptic number.

It is an amenable number.

400232012340012 is an abundant number, since it is smaller than the sum of its proper divisors (539910298529988).

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

400232012340012 is a wasteful number, since it uses less digits than its factorization.

400232012340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223843407505 (or 223843407503 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 400232012340012 its reverse (210043210232004), we get a palindrome (610275222572016).

The spelling of 400232012340012 in words is "four hundred trillion, two hundred thirty-two billion, twelve million, three hundred forty thousand, twelve".