2212212660245 has 64 divisors (see below), whose sum is σ = 3246862993920. Its totient is φ = 1412389896192.

The previous prime is 2212212660233. The next prime is 2212212660247. The reversal of 2212212660245 is 5420662122122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2212212660245 - 2⁸ = 2212212659989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212212660247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162691787 + ... + 162705383.

It is an arithmetic number, because the mean of its divisors is an integer number (50732234280).

Almost surely, 2^{2212212660245} is an apocalyptic number.

It is an amenable number.

2212212660245 is a deficient number, since it is larger than the sum of its proper divisors (1034650333675).

2212212660245 is a wasteful number, since it uses less digits than its factorization.

2212212660245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 2212212660245 its reverse (5420662122122), we get a palindrome (7632874782367).

The spelling of 2212212660245 in words is "two trillion, two hundred twelve billion, two hundred twelve million, six hundred sixty thousand, two hundred forty-five".