2212611712007 has 4 divisors (see below), whose sum is σ = 2221024684560. Its totient is φ = 2204198739456.

The previous prime is 2212611711979. The next prime is 2212611712043. The reversal of 2212611712007 is 7002171162122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212611712007 is a prime.

It is a super-2 number, since 2×2212611712007² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212611712097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206485882 + ... + 4206486407.

It is an arithmetic number, because the mean of its divisors is an integer number (555256171140).

Almost surely, 2^{2212611712007} is an apocalyptic number.

2212611712007 is a deficient number, since it is larger than the sum of its proper divisors (8412972553).

2212611712007 is an equidigital number, since it uses as much as digits as its factorization.

2212611712007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412972552.

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 2212611712007 its reverse (7002171162122), we get a palindrome (9214782874129).

The spelling of 2212611712007 in words is "two trillion, two hundred twelve billion, six hundred eleven million, seven hundred twelve thousand, seven".