102012201212 has 12 divisors (see below), whose sum is σ = 180527210640. Its totient is φ = 50432998176.

The previous prime is 102012201211. The next prime is 102012201227. The reversal of 102012201212 is 212102210201.

It is a super-2 number, since 2×102012201212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012201211) 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, 143275208 + ... + 143275919.

It is an arithmetic number, because the mean of its divisors is an integer number (15043934220).

Almost surely, 2^102012201212 is an apocalyptic number.

It is an amenable number.

102012201212 is a deficient number, since it is larger than the sum of its proper divisors (78515009428).

102012201212 is a wasteful number, since it uses less digits than its factorization.

102012201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286551220 (or 286551218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102012201212 its reverse (212102210201), we get a palindrome (314114411413).

The spelling of 102012201212 in words is "one hundred two billion, twelve million, two hundred one thousand, two hundred twelve".