102012210196 has 24 divisors (see below), whose sum is σ = 192268859720. Its totient is φ = 47078865792.

The previous prime is 102012210191. The next prime is 102012210197. The reversal of 102012210196 is 691012210201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4387207696 + 97625002500 = 66236^2 + 312450^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102012210196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012210191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659590 + ... + 799426.

Almost surely, 2^102012210196 is an apocalyptic number.

It is an amenable number.

102012210196 is a deficient number, since it is larger than the sum of its proper divisors (90256649524).

102012210196 is a wasteful number, since it uses less digits than its factorization.

102012210196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153883 (or 153881 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 102012210196 its reverse (691012210201), we get a palindrome (793024420397).

The spelling of 102012210196 in words is "one hundred two billion, twelve million, two hundred ten thousand, one hundred ninety-six".