451112520220022 has 16 divisors (see below), whose sum is σ = 700002782892000. Its totient is φ = 217778272508160.

The previous prime is 451112520220001. The next prime is 451112520220057. The reversal of 451112520220022 is 220022025211154.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85878479 + ... + 90979877.

It is an arithmetic number, because the mean of its divisors is an integer number (43750173930750).

Almost surely, 2^{451112520220022} is an apocalyptic number.

451112520220022 is a deficient number, since it is larger than the sum of its proper divisors (248890262671978).

451112520220022 is a wasteful number, since it uses less digits than its factorization.

451112520220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6626071.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 451112520220022 its reverse (220022025211154), we get a palindrome (671134545431176).

The spelling of 451112520220022 in words is "four hundred fifty-one trillion, one hundred twelve billion, five hundred twenty million, two hundred twenty thousand, twenty-two".