1200100012210 has 16 divisors (see below), whose sum is σ = 2356560024192. Its totient is φ = 436400004400.

The previous prime is 1200100012169. The next prime is 1200100012219. The reversal of 1200100012210 is 122100010021.

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 (1200100012219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5454999946 + ... + 5455000165.

It is an arithmetic number, because the mean of its divisors is an integer number (147285001512).

Almost surely, 2^{1200100012210} is an apocalyptic number.

1200100012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200100012210 is a deficient number, since it is larger than the sum of its proper divisors (1156460011982).

1200100012210 is a wasteful number, since it uses less digits than its factorization.

1200100012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910000129.

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

Adding to 1200100012210 its reverse (122100010021), we get a palindrome (1322200022231).

The spelling of 1200100012210 in words is "one trillion, two hundred billion, one hundred million, twelve thousand, two hundred ten".