1200002102210 has 16 divisors (see below), whose sum is σ = 2195413683192. Its totient is φ = 472131974400.

The previous prime is 1200002102209. The next prime is 1200002102263. The reversal of 1200002102210 is 122012000021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 537733289809 + 662268812401 = 733303^2 + 813799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200002102191 and 1200002102200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983607671 + ... + 983608890.

Almost surely, 2^{1200002102210} is an apocalyptic number.

1200002102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200002102210 is a deficient number, since it is larger than the sum of its proper divisors (995411580982).

1200002102210 is a wasteful number, since it uses less digits than its factorization.

1200002102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967216629.

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

Adding to 1200002102210 its reverse (122012000021), we get a palindrome (1322014102231).

The spelling of 1200002102210 in words is "one trillion, two hundred billion, two million, one hundred two thousand, two hundred ten".