122000213 has 4 divisors (see below), whose sum is σ = 122475180. Its totient is φ = 121525248.

The previous prime is 122000191. The next prime is 122000237. The reversal of 122000213 is 312000221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78730129 + 43270084 = 8873^2 + 6578^2 .

It is a cyclic number.

It is not a de Polignac number, because 122000213 - 2⁶ = 122000149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000194 and 122000203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000293) 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, 237098 + ... + 237611.

It is an arithmetic number, because the mean of its divisors is an integer number (30618795).

Almost surely, 2^122000213 is an apocalyptic number.

It is an amenable number.

122000213 is a deficient number, since it is larger than the sum of its proper divisors (474967).

122000213 is an equidigital number, since it uses as much as digits as its factorization.

122000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474966.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 122000213 is about 11045.3706592400. The cubic root of 122000213 is about 495.9678550209.

Adding to 122000213 its reverse (312000221), we get a palindrome (434000434).

The spelling of 122000213 in words is "one hundred twenty-two million, two hundred thirteen", and thus it is an aban number.