10231320021312 has 224 divisors, whose sum is σ = 29537708264064. Its totient is φ = 3106789171200.

The previous prime is 10231320021253. The next prime is 10231320021313. The reversal of 10231320021312 is 21312002313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231320021313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59096218 + ... + 59269094.

It is an arithmetic number, because the mean of its divisors is an integer number (131864769036).

Almost surely, 2^{10231320021312} is an apocalyptic number.

10231320021312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10231320021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14768854132032).

10231320021312 is an abundant number, since it is smaller than the sum of its proper divisors (19306388242752).

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

10231320021312 is a wasteful number, since it uses less digits than its factorization.

10231320021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173217 (or 173207 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10231320021312 its reverse (21312002313201), we get a palindrome (31543322334513).

The spelling of 10231320021312 in words is "ten trillion, two hundred thirty-one billion, three hundred twenty million, twenty-one thousand, three hundred twelve".