400204012201 has 32 divisors (see below), whose sum is σ = 469463334912. Its totient is φ = 334042755840.

The previous prime is 400204012181. The next prime is 400204012249. The reversal of 400204012201 is 102210402004.

It is a cyclic number.

It is not a de Polignac number, because 400204012201 - 2⁹ = 400204011689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400204012801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174989680 + ... + 174991966.

It is an arithmetic number, because the mean of its divisors is an integer number (14670729216).

Almost surely, 2^400204012201 is an apocalyptic number.

It is an amenable number.

400204012201 is a deficient number, since it is larger than the sum of its proper divisors (69259322711).

400204012201 is a wasteful number, since it uses less digits than its factorization.

400204012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 400204012201 its reverse (102210402004), we get a palindrome (502414414205).

The spelling of 400204012201 in words is "four hundred billion, two hundred four million, twelve thousand, two hundred one".