121212002120122 has 16 divisors (see below), whose sum is σ = 182688459045120. Its totient is φ = 60316013178432.

The previous prime is 121212002120117. The next prime is 121212002120197. The reversal of 121212002120122 is 221021200212121.

It is a self number, because there is not a number n which added to its sum of digits gives 121212002120122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39538972 + ... + 42494167.

It is an arithmetic number, because the mean of its divisors is an integer number (11418028690320).

Almost surely, 2^{121212002120122} is an apocalyptic number.

121212002120122 is a deficient number, since it is larger than the sum of its proper divisors (61476456924998).

121212002120122 is a wasteful number, since it uses less digits than its factorization.

121212002120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82036677.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121212002120122 its reverse (221021200212121), we get a palindrome (342233202332243).

The spelling of 121212002120122 in words is "one hundred twenty-one trillion, two hundred twelve billion, two million, one hundred twenty thousand, one hundred twenty-two".