212233531441 has 4 divisors (see below), whose sum is σ = 215830710000. Its totient is φ = 208636352884.

The previous prime is 212233531439. The next prime is 212233531507. The reversal of 212233531441 is 144135332212.

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 212233531441 - 2¹ = 212233531439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212233538441) 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, 1798589191 + ... + 1798589308.

It is an arithmetic number, because the mean of its divisors is an integer number (53957677500).

Almost surely, 2^212233531441 is an apocalyptic number.

It is an amenable number.

212233531441 is a deficient number, since it is larger than the sum of its proper divisors (3597178559).

212233531441 is an equidigital number, since it uses as much as digits as its factorization.

212233531441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597178558.

The product of its digits is 17280, while the sum is 31.

Adding to 212233531441 its reverse (144135332212), we get a palindrome (356368863653).

The spelling of 212233531441 in words is "two hundred twelve billion, two hundred thirty-three million, five hundred thirty-one thousand, four hundred forty-one".