121222000213 has 4 divisors (see below), whose sum is σ = 121405949280. Its totient is φ = 121038051148.

The previous prime is 121222000201. The next prime is 121222000223. The reversal of 121222000213 is 312000222121.

It is a happy number.

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 121222000213 - 2¹⁷ = 121221869141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222000223) 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, 91973545 + ... + 91974862.

It is an arithmetic number, because the mean of its divisors is an integer number (30351487320).

Almost surely, 2^121222000213 is an apocalyptic number.

It is an amenable number.

121222000213 is a deficient number, since it is larger than the sum of its proper divisors (183949067).

121222000213 is an equidigital number, since it uses as much as digits as its factorization.

121222000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183949066.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121222000213 its reverse (312000222121), we get a palindrome (433222222334).

The spelling of 121222000213 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred thirteen", and thus it is an aban number.