2212353451445 has 4 divisors (see below), whose sum is σ = 2654824141740. Its totient is φ = 1769882761152.

The previous prime is 2212353451417. The next prime is 2212353451589. The reversal of 2212353451445 is 5441543532122.

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 860823973636 + 1351529477809 = 927806^2 + 1162553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212353451445 - 2¹⁰ = 2212353450421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221235345140 + ... + 221235345149.

It is an arithmetic number, because the mean of its divisors is an integer number (663706035435).

Almost surely, 2^{2212353451445} is an apocalyptic number.

It is an amenable number.

2212353451445 is a deficient number, since it is larger than the sum of its proper divisors (442470690295).

2212353451445 is an equidigital number, since it uses as much as digits as its factorization.

2212353451445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442470690294.

The product of its digits is 576000, while the sum is 41.

Adding to 2212353451445 its reverse (5441543532122), we get a palindrome (7653896983567).

The spelling of 2212353451445 in words is "two trillion, two hundred twelve billion, three hundred fifty-three million, four hundred fifty-one thousand, four hundred forty-five".