212102020112002 has 4 divisors (see below), whose sum is σ = 318153030168006. Its totient is φ = 106051010056000.

The previous prime is 212102020111921. The next prime is 212102020112051. The reversal of 212102020112002 is 200211020201212.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 141698526030961 + 70403494081041 = 11903719^2 + 8390679^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025505027999 + ... + 53025505028002.

Almost surely, 2^{212102020112002} is an apocalyptic number.

212102020112002 is a deficient number, since it is larger than the sum of its proper divisors (106051010056004).

212102020112002 is a wasteful number, since it uses less digits than its factorization.

212102020112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106051010056003.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212102020112002 its reverse (200211020201212), we get a palindrome (412313040313214).

The spelling of 212102020112002 in words is "two hundred twelve trillion, one hundred two billion, twenty million, one hundred twelve thousand, two".