212211000002 has 4 divisors (see below), whose sum is σ = 318316500006. Its totient is φ = 106105500000.

The previous prime is 212210999977. The next prime is 212211000077. The reversal of 212211000002 is 200000112212.

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., 109363151401 + 102847848601 = 330701^2 + 320699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53052749999 + ... + 53052750002.

Almost surely, 2^212211000002 is an apocalyptic number.

212211000002 is a deficient number, since it is larger than the sum of its proper divisors (106105500004).

212211000002 is a wasteful number, since it uses less digits than its factorization.

212211000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106105500003.

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

Adding to 212211000002 its reverse (200000112212), we get a palindrome (412211112214).

The spelling of 212211000002 in words is "two hundred twelve billion, two hundred eleven million, two", and thus it is an aban number.