122000121213 has 4 divisors (see below), whose sum is σ = 162666828288. Its totient is φ = 81333414140.

The previous prime is 122000121197. The next prime is 122000121227. The reversal of 122000121213 is 312121000221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122000121213 - 2⁴ = 122000121197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122000121192 and 122000121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000121913) 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, 20333353533 + ... + 20333353538.

It is an arithmetic number, because the mean of its divisors is an integer number (40666707072).

Almost surely, 2^122000121213 is an apocalyptic number.

It is an amenable number.

122000121213 is a deficient number, since it is larger than the sum of its proper divisors (40666707075).

122000121213 is an equidigital number, since it uses as much as digits as its factorization.

122000121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40666707074.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122000121213 its reverse (312121000221), we get a palindrome (434121121434).

The spelling of 122000121213 in words is "one hundred twenty-two billion, one hundred twenty-one thousand, two hundred thirteen".