213220214007 has 4 divisors (see below), whose sum is σ = 284293618680. Its totient is φ = 142146809336.

The previous prime is 213220213991. The next prime is 213220214033. The reversal of 213220214007 is 700412022312.

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

It is a cyclic number.

It is not a de Polignac number, because 213220214007 - 2⁴ = 213220213991 is a prime.

It is a super-2 number, since 2×213220214007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220214057) 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, 35536702332 + ... + 35536702337.

It is an arithmetic number, because the mean of its divisors is an integer number (71073404670).

Almost surely, 2^213220214007 is an apocalyptic number.

213220214007 is a deficient number, since it is larger than the sum of its proper divisors (71073404673).

213220214007 is an equidigital number, since it uses as much as digits as its factorization.

213220214007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71073404672.

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 213220214007 its reverse (700412022312), we get a palindrome (913632236319).

The spelling of 213220214007 in words is "two hundred thirteen billion, two hundred twenty million, two hundred fourteen thousand, seven".