1212210342412 has 24 divisors (see below), whose sum is σ = 2127128396400. Its totient is φ = 604460173056.

The previous prime is 1212210342407. The next prime is 1212210342467. The reversal of 1212210342412 is 2142430122121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6084408 + ... + 6280480.

It is an arithmetic number, because the mean of its divisors is an integer number (88630349850).

Almost surely, 2^{1212210342412} is an apocalyptic number.

It is an amenable number.

1212210342412 is a deficient number, since it is larger than the sum of its proper divisors (914918053988).

1212210342412 is a wasteful number, since it uses less digits than its factorization.

1212210342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200265 (or 200263 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1212210342412 its reverse (2142430122121), we get a palindrome (3354640464533).

The spelling of 1212210342412 in words is "one trillion, two hundred twelve billion, two hundred ten million, three hundred forty-two thousand, four hundred twelve".