1013231212320 has 192 divisors, whose sum is σ = 3279341189376. Its totient is φ = 262780047360.

The previous prime is 1013231212313. The next prime is 1013231212321. The reversal of 1013231212320 is 232121323101.

1013231212320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1013231212321) 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, 46538077 + ... + 46559843.

It is an arithmetic number, because the mean of its divisors is an integer number (17079902028).

Almost surely, 2^{1013231212320} is an apocalyptic number.

1013231212320 is a gapful number since it is divisible by the number (10) 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 1013231212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639670594688).

1013231212320 is an abundant number, since it is smaller than the sum of its proper divisors (2266109977056).

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

1013231212320 is a wasteful number, since it uses less digits than its factorization.

1013231212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24443 (or 24435 counting only the distinct ones).

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

Adding to 1013231212320 its reverse (232121323101), we get a palindrome (1245352535421).

The spelling of 1013231212320 in words is "one trillion, thirteen billion, two hundred thirty-one million, two hundred twelve thousand, three hundred twenty".