1200100100210 has 64 divisors (see below), whose sum is σ = 2380355434368. Its totient is φ = 431995200000.

The previous prime is 1200100100189. The next prime is 1200100100293. The reversal of 1200100100210 is 120010010021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99661790 + ... + 99673830.

It is an arithmetic number, because the mean of its divisors is an integer number (37193053662).

Almost surely, 2^{1200100100210} is an apocalyptic number.

1200100100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200100100210 is a deficient number, since it is larger than the sum of its proper divisors (1180255334158).

1200100100210 is a wasteful number, since it uses less digits than its factorization.

1200100100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21131.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200100100210 its reverse (120010010021), we get a palindrome (1320110110231).

The spelling of 1200100100210 in words is "one trillion, two hundred billion, one hundred million, one hundred thousand, two hundred ten".