121202120121223 has 8 divisors (see below), whose sum is σ = 128333257171920. Its totient is φ = 114071160912000.

The previous prime is 121202120121211. The next prime is 121202120121281. The reversal of 121202120121223 is 322121021202121.

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 121202120121223 - 2¹⁷ = 121202119990151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121202120121194 and 121202120121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202120121623) 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, 43055968 + ... + 45784501.

It is an arithmetic number, because the mean of its divisors is an integer number (16041657146490).

Almost surely, 2^{121202120121223} is an apocalyptic number.

121202120121223 is a deficient number, since it is larger than the sum of its proper divisors (7131137050697).

121202120121223 is an equidigital number, since it uses as much as digits as its factorization.

121202120121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88920737.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121202120121223 its reverse (322121021202121), we get a palindrome (443323141323344).

The spelling of 121202120121223 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-three".