1210201211212 has 24 divisors (see below), whose sum is σ = 2428037779104. Its totient is φ = 517021514112.

The previous prime is 1210201211183. The next prime is 1210201211251. The reversal of 1210201211212 is 2121121020121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68163793 + ... + 68181544.

It is an arithmetic number, because the mean of its divisors is an integer number (101168240796).

Almost surely, 2^{1210201211212} is an apocalyptic number.

It is an amenable number.

1210201211212 is an abundant number, since it is smaller than the sum of its proper divisors (1217836567892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210201211212 is a wasteful number, since it uses less digits than its factorization.

1210201211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136345665 (or 136345663 counting only the distinct ones).

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

Adding to 1210201211212 its reverse (2121121020121), we get a palindrome (3331322231333).

The spelling of 1210201211212 in words is "one trillion, two hundred ten billion, two hundred one million, two hundred eleven thousand, two hundred twelve".