2212361243545 has 8 divisors (see below), whose sum is σ = 2654842944960. Its totient is φ = 1769882693040.

The previous prime is 2212361243507. The next prime is 2212361243557. The reversal of 2212361243545 is 5453421632122.

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

It is not a de Polignac number, because 2212361243545 - 2²⁷ = 2212227025817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212361243498 and 2212361243507.

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, 1224060 + ... + 2433730.

It is an arithmetic number, because the mean of its divisors is an integer number (331855368120).

Almost surely, 2^{2212361243545} is an apocalyptic number.

It is an amenable number.

2212361243545 is a deficient number, since it is larger than the sum of its proper divisors (442481701415).

2212361243545 is a wasteful number, since it uses less digits than its factorization.

2212361243545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575455.

The product of its digits is 345600, while the sum is 40.

Adding to 2212361243545 its reverse (5453421632122), we get a palindrome (7665782875667).

The spelling of 2212361243545 in words is "two trillion, two hundred twelve billion, three hundred sixty-one million, two hundred forty-three thousand, five hundred forty-five".