401043243212 has 12 divisors (see below), whose sum is σ = 701831848536. Its totient is φ = 200519857920.

The previous prime is 401043243163. The next prime is 401043243229. The reversal of 401043243212 is 212342340104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162443 + ... + 910205.

It is an arithmetic number, because the mean of its divisors is an integer number (58485987378).

Almost surely, 2^401043243212 is an apocalyptic number.

It is an amenable number.

401043243212 is a deficient number, since it is larger than the sum of its proper divisors (300788605324).

401043243212 is a wasteful number, since it uses less digits than its factorization.

401043243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881848 (or 881846 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 401043243212 its reverse (212342340104), we get a palindrome (613385583316).

The spelling of 401043243212 in words is "four hundred one billion, forty-three million, two hundred forty-three thousand, two hundred twelve".