1200002102222 has 64 divisors (see below), whose sum is σ = 2254355712000. Its totient is φ = 465410561280.

The previous prime is 1200002102209. The next prime is 1200002102263. The reversal of 1200002102222 is 2222012000021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1200002102197 and 1200002102206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171107588 + ... + 171114600.

It is an arithmetic number, because the mean of its divisors is an integer number (35224308000).

Almost surely, 2^{1200002102222} is an apocalyptic number.

1200002102222 is a deficient number, since it is larger than the sum of its proper divisors (1054353609778).

1200002102222 is a wasteful number, since it uses less digits than its factorization.

1200002102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200002102222 its reverse (2222012000021), we get a palindrome (3422014102243).

It can be divided in two parts, 120000 and 2102222, that added together give a palindrome (2222222).

The spelling of 1200002102222 in words is "one trillion, two hundred billion, two million, one hundred two thousand, two hundred twenty-two".