2001200222212 has 6 divisors (see below), whose sum is σ = 3502100388878. Its totient is φ = 1000600111104.

The previous prime is 2001200222207. The next prime is 2001200222237. The reversal of 2001200222212 is 2122220021002.

It can be written as a sum of positive squares in only one way, i.e., 1964415283776 + 36784938436 = 1401576^2 + 191794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250150027773 + ... + 250150027780.

Almost surely, 2^{2001200222212} is an apocalyptic number.

It is an amenable number.

2001200222212 is a deficient number, since it is larger than the sum of its proper divisors (1500900166666).

2001200222212 is a wasteful number, since it uses less digits than its factorization.

2001200222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500300055557 (or 500300055555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2001200222212 its reverse (2122220021002), we get a palindrome (4123420243214).

The spelling of 2001200222212 in words is "two trillion, one billion, two hundred million, two hundred twenty-two thousand, two hundred twelve".