212011002002 has 4 divisors (see below), whose sum is σ = 318016503006. Its totient is φ = 106005501000.

The previous prime is 212011001999. The next prime is 212011002013. The reversal of 212011002002 is 200200110212.

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., 178938306121 + 33072695881 = 423011^2 + 181859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53002750499 + ... + 53002750502.

Almost surely, 2^212011002002 is an apocalyptic number.

212011002002 is a deficient number, since it is larger than the sum of its proper divisors (106005501004).

212011002002 is a wasteful number, since it uses less digits than its factorization.

212011002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106005501003.

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

Adding to 212011002002 its reverse (200200110212), we get a palindrome (412211112214).

The spelling of 212011002002 in words is "two hundred twelve billion, eleven million, two thousand, two".