1212201012122 has 8 divisors (see below), whose sum is σ = 1820085919200. Its totient is φ = 605505705724.

The previous prime is 1212201012107. The next prime is 1212201012131. The reversal of 1212201012122 is 2212101022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1212201012122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297397622 + ... + 297401697.

It is an arithmetic number, because the mean of its divisors is an integer number (227510739900).

Almost surely, 2^{1212201012122} is an apocalyptic number.

1212201012122 is a deficient number, since it is larger than the sum of its proper divisors (607884907078).

1212201012122 is a wasteful number, since it uses less digits than its factorization.

1212201012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594800340.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212201012122 its reverse (2212101022121), we get a palindrome (3424302034243).

Subtracting 1212201012122 from its reverse (2212101022121), we obtain a palindrome (999900009999).

The spelling of 1212201012122 in words is "one trillion, two hundred twelve billion, two hundred one million, twelve thousand, one hundred twenty-two".