1212111002212 has 24 divisors (see below), whose sum is σ = 2317541577120. Its totient is φ = 550123479360.

The previous prime is 1212111002209. The next prime is 1212111002227. The reversal of 1212111002212 is 2122001112121.

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, 20872353 + ... + 20930344.

It is an arithmetic number, because the mean of its divisors is an integer number (96564232380).

Almost surely, 2^{1212111002212} is an apocalyptic number.

It is an amenable number.

1212111002212 is a deficient number, since it is larger than the sum of its proper divisors (1105430574908).

1212111002212 is a wasteful number, since it uses less digits than its factorization.

1212111002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41803371 (or 41803369 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212111002212 its reverse (2122001112121), we get a palindrome (3334112114333).

The spelling of 1212111002212 in words is "one trillion, two hundred twelve billion, one hundred eleven million, two thousand, two hundred twelve".