121212002002022 has 16 divisors (see below), whose sum is σ = 191410686409200. Its totient is φ = 57409217026560.

The previous prime is 121212002002001. The next prime is 121212002002099. The reversal of 121212002002022 is 220200200212121.

It is a happy number.

It is a congruent number.

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, 193974179 + ... + 194598062.

It is an arithmetic number, because the mean of its divisors is an integer number (11963167900575).

Almost surely, 2^{121212002002022} is an apocalyptic number.

121212002002022 is a deficient number, since it is larger than the sum of its proper divisors (70198684407178).

121212002002022 is a wasteful number, since it uses less digits than its factorization.

121212002002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388580471.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121212002002022 its reverse (220200200212121), we get a palindrome (341412202214143).

The spelling of 121212002002022 in words is "one hundred twenty-one trillion, two hundred twelve billion, two million, two thousand, twenty-two".