212110200020002 has 4 divisors (see below), whose sum is σ = 318165300030006. Its totient is φ = 106055100010000.

The previous prime is 212110200019957. The next prime is 212110200020027. The reversal of 212110200020002 is 200020002011212.

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., 135569206009561 + 76540994010441 = 11643419^2 + 8748771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53027550004999 + ... + 53027550005002.

Almost surely, 2^{212110200020002} is an apocalyptic number.

212110200020002 is a deficient number, since it is larger than the sum of its proper divisors (106055100010004).

212110200020002 is a wasteful number, since it uses less digits than its factorization.

212110200020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106055100010003.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212110200020002 its reverse (200020002011212), we get a palindrome (412130202031214).

The spelling of 212110200020002 in words is "two hundred twelve trillion, one hundred ten billion, two hundred million, twenty thousand, two".