1200011112010 has 32 divisors (see below), whose sum is σ = 2197377564480. Its totient is φ = 471708298368.

The previous prime is 1200011111953. The next prime is 1200011112037. The reversal of 1200011112010 is 102111100021.

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

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, 1397889 + ... + 2086651.

It is an arithmetic number, because the mean of its divisors is an integer number (68668048890).

Almost surely, 2^{1200011112010} is an apocalyptic number.

1200011112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200011112010 is a deficient number, since it is larger than the sum of its proper divisors (997366452470).

1200011112010 is a wasteful number, since it uses less digits than its factorization.

1200011112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691782.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200011112010 its reverse (102111100021), we get a palindrome (1302122212031).

The spelling of 1200011112010 in words is "one trillion, two hundred billion, eleven million, one hundred twelve thousand, ten".