1000122213 has 8 divisors (see below), whose sum is σ = 1333800000. Its totient is φ = 666596288.

The previous prime is 1000122191. The next prime is 1000122239. The reversal of 1000122213 is 3122210001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000122213 - 2⁸ = 1000121957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000122313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21588 + ... + 49661.

It is an arithmetic number, because the mean of its divisors is an integer number (166725000).

Almost surely, 2^1000122213 is an apocalyptic number.

It is an amenable number.

1000122213 is a deficient number, since it is larger than the sum of its proper divisors (333677787).

1000122213 is an equidigital number, since it uses as much as digits as its factorization.

1000122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75931.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1000122213 is about 31624.7088998460. The cubic root of 1000122213 is about 1000.0407360072.

Adding to 1000122213 its reverse (3122210001), we get a palindrome (4122332214).

The spelling of 1000122213 in words is "one billion, one hundred twenty-two thousand, two hundred thirteen".