1200002211 has 12 divisors (see below), whose sum is σ = 1735679088. Its totient is φ = 798920304.

The previous prime is 1200002201. The next prime is 1200002213. The reversal of 1200002211 is 1122000021.

It is not a de Polignac number, because 1200002211 - 2⁶ = 1200002147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1200002193 and 1200002202.

It is not an unprimeable number, because it can be changed into a prime (1200002213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83040 + ... + 96413.

It is an arithmetic number, because the mean of its divisors is an integer number (144639924).

Almost surely, 2^1200002211 is an apocalyptic number.

1200002211 is a deficient number, since it is larger than the sum of its proper divisors (535676877).

1200002211 is a wasteful number, since it uses less digits than its factorization.

1200002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180202 (or 180199 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1200002211 is about 34641.0480643990. The cubic root of 1200002211 is about 1062.6592218317.

Adding to 1200002211 its reverse (1122000021), we get a palindrome (2322002232).

The spelling of 1200002211 in words is "one billion, two hundred million, two thousand, two hundred eleven".