451211222201 has 8 divisors (see below), whose sum is σ = 462269584224. Its totient is φ = 440155394080.

The previous prime is 451211222177. The next prime is 451211222207. The reversal of 451211222201 is 102222112154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 451211222201 - 2³⁴ = 434031353017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451211222207) 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 7 ways as a sum of consecutive naturals, for example, 270455 + ... + 987708.

It is an arithmetic number, because the mean of its divisors is an integer number (57783698028).

Almost surely, 2^451211222201 is an apocalyptic number.

451211222201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

451211222201 is a deficient number, since it is larger than the sum of its proper divisors (11058362023).

451211222201 is a wasteful number, since it uses less digits than its factorization.

451211222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266951.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 451211222201 its reverse (102222112154), we get a palindrome (553433334355).

The spelling of 451211222201 in words is "four hundred fifty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred one".