201212202112102 has 4 divisors (see below), whose sum is σ = 301818303168156. Its totient is φ = 100606101056050.

The previous prime is 201212202112091. The next prime is 201212202112127. The reversal of 201212202112102 is 201211202212102.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201212202112102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50303050528024 + ... + 50303050528027.

It is an arithmetic number, because the mean of its divisors is an integer number (75454575792039).

Almost surely, 2^{201212202112102} is an apocalyptic number.

201212202112102 is a deficient number, since it is larger than the sum of its proper divisors (100606101056054).

201212202112102 is a wasteful number, since it uses less digits than its factorization.

201212202112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100606101056053.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201212202112102 its reverse (201211202212102), we get a palindrome (402423404324204).

The spelling of 201212202112102 in words is "two hundred one trillion, two hundred twelve billion, two hundred two million, one hundred twelve thousand, one hundred two".