1231200123010 has 64 divisors (see below), whose sum is σ = 2612801681280. Its totient is φ = 411809518080.

The previous prime is 1231200123001. The next prime is 1231200123073. The reversal of 1231200123010 is 103210021321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1116475 + ... + 1925854.

It is an arithmetic number, because the mean of its divisors is an integer number (40825026270).

Almost surely, 2^{1231200123010} is an apocalyptic number.

1231200123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231200123010 is an abundant number, since it is smaller than the sum of its proper divisors (1381601558270).

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

1231200123010 is a wasteful number, since it uses less digits than its factorization.

1231200123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042643.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1231200123010 its reverse (103210021321), we get a palindrome (1334410144331).

The spelling of 1231200123010 in words is "one trillion, two hundred thirty-one billion, two hundred million, one hundred twenty-three thousand, ten".