212454104053 has 4 divisors (see below), whose sum is σ = 216462672108. Its totient is φ = 208445536000.

The previous prime is 212454104021. The next prime is 212454104119. The reversal of 212454104053 is 350401454212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143294045764 + 69160058289 = 378542^2 + 262983^2 .

It is a cyclic number.

It is not a de Polignac number, because 212454104053 - 2⁵ = 212454104021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212454104153) 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, 2004283948 + ... + 2004284053.

It is an arithmetic number, because the mean of its divisors is an integer number (54115668027).

Almost surely, 2^212454104053 is an apocalyptic number.

It is an amenable number.

212454104053 is a deficient number, since it is larger than the sum of its proper divisors (4008568055).

212454104053 is an equidigital number, since it uses as much as digits as its factorization.

212454104053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008568054.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 212454104053 its reverse (350401454212), we get a palindrome (562855558265).

The spelling of 212454104053 in words is "two hundred twelve billion, four hundred fifty-four million, one hundred four thousand, fifty-three".