400201442012 has 12 divisors (see below), whose sum is σ = 713566722456. Its totient is φ = 196325235600.

The previous prime is 400201441999. The next prime is 400201442093. The reversal of 400201442012 is 210244102004.

It is a super-2 number, since 2×400201442012² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 943871114 + ... + 943871537.

It is an arithmetic number, because the mean of its divisors is an integer number (59463893538).

Almost surely, 2^400201442012 is an apocalyptic number.

It is an amenable number.

400201442012 is a deficient number, since it is larger than the sum of its proper divisors (313365280444).

400201442012 is a wasteful number, since it uses less digits than its factorization.

400201442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887742708 (or 1887742706 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 400201442012 its reverse (210244102004), we get a palindrome (610445544016).

The spelling of 400201442012 in words is "four hundred billion, two hundred one million, four hundred forty-two thousand, twelve".