1212112002122 has 32 divisors (see below), whose sum is σ = 2087441725824. Its totient is φ = 517094035200.

The previous prime is 1212112002107. The next prime is 1212112002151. The reversal of 1212112002122 is 2212002112121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212112002122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11334422 + ... + 11440862.

It is an arithmetic number, because the mean of its divisors is an integer number (65232553932).

Almost surely, 2^{1212112002122} is an apocalyptic number.

1212112002122 is a deficient number, since it is larger than the sum of its proper divisors (875329723702).

1212112002122 is a wasteful number, since it uses less digits than its factorization.

1212112002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110174.

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

Adding to 1212112002122 its reverse (2212002112121), we get a palindrome (3424114114243).

The spelling of 1212112002122 in words is "one trillion, two hundred twelve billion, one hundred twelve million, two thousand, one hundred twenty-two".