121210211303122 has 16 divisors (see below), whose sum is σ = 184101297057792. Its totient is φ = 59847744462880.

The previous prime is 121210211303053. The next prime is 121210211303123. The reversal of 121210211303122 is 221303112012121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121210211303093 and 121210211303102.

It is not an unprimeable number, because it can be changed into a prime (121210211303123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157992258 + ... + 1158096925.

It is an arithmetic number, because the mean of its divisors is an integer number (11506331066112).

Almost surely, 2^{121210211303122} is an apocalyptic number.

121210211303122 is a deficient number, since it is larger than the sum of its proper divisors (62891085754670).

121210211303122 is a wasteful number, since it uses less digits than its factorization.

121210211303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316089513.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121210211303122 its reverse (221303112012121), we get a palindrome (342513323315243).

The spelling of 121210211303122 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred eleven million, three hundred three thousand, one hundred twenty-two".