1212204414412 has 12 divisors (see below), whose sum is σ = 2161383343056. Its totient is φ = 594666316400.

The previous prime is 1212204414401. The next prime is 1212204414431. The reversal of 1212204414412 is 2144144022121.

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, 2858972464 + ... + 2858972887.

It is an arithmetic number, because the mean of its divisors is an integer number (180115278588).

Almost surely, 2^{1212204414412} is an apocalyptic number.

It is an amenable number.

1212204414412 is a deficient number, since it is larger than the sum of its proper divisors (949178928644).

1212204414412 is a wasteful number, since it uses less digits than its factorization.

1212204414412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717945408 (or 5717945406 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1212204414412 its reverse (2144144022121), we get a palindrome (3356348436533).

The spelling of 1212204414412 in words is "one trillion, two hundred twelve billion, two hundred four million, four hundred fourteen thousand, four hundred twelve".