1200123310010 has 32 divisors (see below), whose sum is σ = 2181740655744. Its totient is φ = 475267960000.

The previous prime is 1200123309967. The next prime is 1200123310037. The reversal of 1200123310010 is 100133210021.

It is a Curzon number.

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, 27259115 + ... + 27303105.

It is an arithmetic number, because the mean of its divisors is an integer number (68179395492).

Almost surely, 2^{1200123310010} is an apocalyptic number.

1200123310010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200123310010 is a deficient number, since it is larger than the sum of its proper divisors (981617345734).

1200123310010 is a wasteful number, since it uses less digits than its factorization.

1200123310010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71110.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1200123310010 its reverse (100133210021), we get a palindrome (1300256520031).

The spelling of 1200123310010 in words is "one trillion, two hundred billion, one hundred twenty-three million, three hundred ten thousand, ten".