213404440143201 has 32 divisors (see below), whose sum is σ = 287209371340800. Its totient is φ = 140940660648960.

The previous prime is 213404440143173. The next prime is 213404440143227. The reversal of 213404440143201 is 102341044404312.

It is a happy number.

It is not a de Polignac number, because 213404440143201 - 2⁹ = 213404440142689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213404440143901) 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, 1886992065 + ... + 1887105153.

It is an arithmetic number, because the mean of its divisors is an integer number (8975292854400).

Almost surely, 2^{213404440143201} is an apocalyptic number.

It is an amenable number.

213404440143201 is a deficient number, since it is larger than the sum of its proper divisors (73804931197599).

213404440143201 is a wasteful number, since it uses less digits than its factorization.

213404440143201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126509.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 213404440143201 its reverse (102341044404312), we get a palindrome (315745484547513).

The spelling of 213404440143201 in words is "two hundred thirteen trillion, four hundred four billion, four hundred forty million, one hundred forty-three thousand, two hundred one".