1001312312120 has 64 divisors (see below), whose sum is σ = 2318673345120. Its totient is φ = 388948944384.

The previous prime is 1001312312107. The next prime is 1001312312129. The reversal of 1001312312120 is 212132131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001312312129) 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, 1384979 + ... + 1980098.

Almost surely, 2^{1001312312120} is an apocalyptic number.

1001312312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001312312120 is an abundant number, since it is smaller than the sum of its proper divisors (1317361033000).

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

1001312312120 is a wasteful number, since it uses less digits than its factorization.

1001312312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365304 (or 3365300 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1001312312120 its reverse (212132131001), we get a palindrome (1213444443121).

The spelling of 1001312312120 in words is "one trillion, one billion, three hundred twelve million, three hundred twelve thousand, one hundred twenty".