1200023312010 has 16 divisors (see below), whose sum is σ = 2880055948896. Its totient is φ = 320006216528.

The previous prime is 1200023311987. The next prime is 1200023312023. The reversal of 1200023312010 is 102133200021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20000388504 + ... + 20000388563.

It is an arithmetic number, because the mean of its divisors is an integer number (180003496806).

Almost surely, 2^{1200023312010} is an apocalyptic number.

1200023312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200023312010 is an abundant number, since it is smaller than the sum of its proper divisors (1680032636886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200023312010 is a wasteful number, since it uses less digits than its factorization.

1200023312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40000777077.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1200023312010 its reverse (102133200021), we get a palindrome (1302156512031).

The spelling of 1200023312010 in words is "one trillion, two hundred billion, twenty-three million, three hundred twelve thousand, ten".