1212201102212 has 24 divisors (see below), whose sum is σ = 2122891932000. Its totient is φ = 605660717376.

The previous prime is 1212201102157. The next prime is 1212201102317. The reversal of 1212201102212 is 2122011022121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33749039 + ... + 33784937.

It is an arithmetic number, because the mean of its divisors is an integer number (88453830500).

Almost surely, 2^{1212201102212} is an apocalyptic number.

It is an amenable number.

1212201102212 is a deficient number, since it is larger than the sum of its proper divisors (910690829788).

1212201102212 is a wasteful number, since it uses less digits than its factorization.

1212201102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41795 (or 41793 counting only the distinct ones).

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

Adding to 1212201102212 its reverse (2122011022121), we get a palindrome (3334212124333).

The spelling of 1212201102212 in words is "one trillion, two hundred twelve billion, two hundred one million, one hundred two thousand, two hundred twelve".