401203134012 has 24 divisors (see below), whose sum is σ = 968421358800. Its totient is φ = 129122847616.

The previous prime is 401203133941. The next prime is 401203134043. The reversal of 401203134012 is 210431302104.

It is a super-2 number, since 2×401203134012² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401203134012.

It is a congruent number.

It is an unprimeable number.

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, 576440937 + ... + 576441632.

It is an arithmetic number, because the mean of its divisors is an integer number (40350889950).

Almost surely, 2^401203134012 is an apocalyptic number.

It is an amenable number.

401203134012 is an abundant number, since it is smaller than the sum of its proper divisors (567218224788).

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

401203134012 is a wasteful number, since it uses less digits than its factorization.

401203134012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152882605 (or 1152882603 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 401203134012 its reverse (210431302104), we get a palindrome (611634436116).

The spelling of 401203134012 in words is "four hundred one billion, two hundred three million, one hundred thirty-four thousand, twelve".