404201201213 has 4 divisors (see below), whose sum is σ = 404466600768. Its totient is φ = 403935801660.

The previous prime is 404201201167. The next prime is 404201201231. The reversal of 404201201213 is 312102102404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404201201213 - 2²⁴ = 404184423997 is a prime.

It is a super-2 number, since 2×404201201213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404201201263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132697493 + ... + 132700538.

It is an arithmetic number, because the mean of its divisors is an integer number (101116650192).

Almost surely, 2^404201201213 is an apocalyptic number.

It is an amenable number.

404201201213 is a deficient number, since it is larger than the sum of its proper divisors (265399555).

404201201213 is a wasteful number, since it uses less digits than its factorization.

404201201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265399554.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 404201201213 its reverse (312102102404), we get a palindrome (716303303617).

The spelling of 404201201213 in words is "four hundred four billion, two hundred one million, two hundred one thousand, two hundred thirteen".