1200102210 has 32 divisors (see below), whose sum is σ = 3200273280. Its totient is φ = 320027184.

The previous prime is 1200102203. The next prime is 1200102221. The reversal of 1200102210 is 122010021.

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 = 1200102192 and 1200102201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222142 + ... + 2222681.

It is an arithmetic number, because the mean of its divisors is an integer number (100008540).

Almost surely, 2^1200102210 is an apocalyptic number.

1200102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200102210 is an abundant number, since it is smaller than the sum of its proper divisors (2000171070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200102210 is a wasteful number, since it uses less digits than its factorization.

1200102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444839 (or 4444833 counting only the distinct ones).

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

The square root of 1200102210 is about 34642.4913942401. The cubic root of 1200102210 is about 1062.6887389739.

Adding to 1200102210 its reverse (122010021), we get a palindrome (1322112231).

The spelling of 1200102210 in words is "one billion, two hundred million, one hundred two thousand, two hundred ten".