1210212212012 has 12 divisors (see below), whose sum is σ = 2149481391960. Its totient is φ = 596074671456.

The previous prime is 1210212212009. The next prime is 1210212212017. The reversal of 1210212212012 is 2102122120121.

It is a super-2 number, since 2×1210212212012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210212212017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2257858337 + ... + 2257858872.

It is an arithmetic number, because the mean of its divisors is an integer number (179123449330).

Almost surely, 2^{1210212212012} is an apocalyptic number.

It is an amenable number.

1210212212012 is a deficient number, since it is larger than the sum of its proper divisors (939269179948).

1210212212012 is a wasteful number, since it uses less digits than its factorization.

1210212212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515717280 (or 4515717278 counting only the distinct ones).

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

Adding to 1210212212012 its reverse (2102122120121), we get a palindrome (3312334332133).

The spelling of 1210212212012 in words is "one trillion, two hundred ten billion, two hundred twelve million, two hundred twelve thousand, twelve".