212001100202 has 4 divisors (see below), whose sum is σ = 318001650306. Its totient is φ = 106000550100.

The previous prime is 212001100183. The next prime is 212001100231. The reversal of 212001100202 is 202001100212.

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., 133898178241 + 78102921961 = 365921^2 + 279469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53000275049 + ... + 53000275052.

Almost surely, 2^212001100202 is an apocalyptic number.

212001100202 is a deficient number, since it is larger than the sum of its proper divisors (106000550104).

212001100202 is a wasteful number, since it uses less digits than its factorization.

212001100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106000550103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212001100202 its reverse (202001100212), we get a palindrome (414002200414).

The spelling of 212001100202 in words is "two hundred twelve billion, one million, one hundred thousand, two hundred two".