1200112111010 has 32 divisors (see below), whose sum is σ = 2170679439600. Its totient is φ = 477720051712.

The previous prime is 1200112110991. The next prime is 1200112111019. The reversal of 1200112111010 is 101112110021.

It can be written as a sum of positive squares in 8 ways, for example, as 1023105951169 + 177006159841 = 1011487^2 + 420721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200112110982 and 1200112111000.

It is not an unprimeable number, because it can be changed into a prime (1200112111019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473352 + ... + 2918508.

Almost surely, 2^{1200112111010} is an apocalyptic number.

1200112111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200112111010 is a deficient number, since it is larger than the sum of its proper divisors (970567328590).

1200112111010 is a wasteful number, since it uses less digits than its factorization.

1200112111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446470.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1200112111010 its reverse (101112110021), we get a palindrome (1301224221031).

The spelling of 1200112111010 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred eleven thousand, ten".