401234113212 has 24 divisors (see below), whose sum is σ = 976917841536. Its totient is φ = 127929717168.

The previous prime is 401234113211. The next prime is 401234113243. The reversal of 401234113212 is 212311432104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401234113211) 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, 726873118 + ... + 726873669.

It is an arithmetic number, because the mean of its divisors is an integer number (40704910064).

Almost surely, 2^401234113212 is an apocalyptic number.

It is an amenable number.

401234113212 is an abundant number, since it is smaller than the sum of its proper divisors (575683728324).

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

401234113212 is a wasteful number, since it uses less digits than its factorization.

401234113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453746817 (or 1453746815 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 401234113212 its reverse (212311432104), we get a palindrome (613545545316).

The spelling of 401234113212 in words is "four hundred one billion, two hundred thirty-four million, one hundred thirteen thousand, two hundred twelve".