401201112 has 64 divisors (see below), whose sum is σ = 1137024000. Its totient is φ = 116947584.

The previous prime is 401201089. The next prime is 401201117. The reversal of 401201112 is 211102104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401201117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27912 + ... + 39767.

It is an arithmetic number, because the mean of its divisors is an integer number (17766000).

Almost surely, 2^401201112 is an apocalyptic number.

It is an amenable number.

401201112 is an abundant number, since it is smaller than the sum of its proper divisors (735822888).

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

401201112 is a wasteful number, since it uses less digits than its factorization.

401201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67720 (or 67716 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 401201112 is about 20030.0052920612. The cubic root of 401201112 is about 737.5430518581.

Adding to 401201112 its reverse (211102104), we get a palindrome (612303216).

The spelling of 401201112 in words is "four hundred one million, two hundred one thousand, one hundred twelve".