1200011020210 has 64 divisors (see below), whose sum is σ = 2260719590400. Its totient is φ = 458085196800.

The previous prime is 1200011020139. The next prime is 1200011020211. The reversal of 1200011020210 is 120201100021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1200011020211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10399230 + ... + 10513990.

It is an arithmetic number, because the mean of its divisors is an integer number (35323743600).

Almost surely, 2^{1200011020210} is an apocalyptic number.

1200011020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200011020210 is a deficient number, since it is larger than the sum of its proper divisors (1060708570190).

1200011020210 is a wasteful number, since it uses less digits than its factorization.

1200011020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115267.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1200011020210 its reverse (120201100021), we get a palindrome (1320212120231).

The spelling of 1200011020210 in words is "one trillion, two hundred billion, eleven million, twenty thousand, two hundred ten".