401200012 has 12 divisors (see below), whose sum is σ = 704125800. Its totient is φ = 200021216.

The previous prime is 401200003. The next prime is 401200061. The reversal of 401200012 is 210002104.

It is a super-2 number, since 2×401200012² = 321922899257600288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143137 + ... + 145912.

It is an arithmetic number, because the mean of its divisors is an integer number (58677150).

Almost surely, 2^401200012 is an apocalyptic number.

It is an amenable number.

401200012 is a deficient number, since it is larger than the sum of its proper divisors (302925788).

401200012 is a wasteful number, since it uses less digits than its factorization.

401200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289400 (or 289398 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 401200012 is about 20029.9778332379. The cubic root of 401200012 is about 737.5423778004.

Adding to 401200012 its reverse (210002104), we get a palindrome (611202116).

The spelling of 401200012 in words is "four hundred one million, two hundred thousand, twelve".