12031230311130 has 32 divisors (see below), whose sum is σ = 28875063254400. Its totient is φ = 3208315804352.

The previous prime is 12031230311117. The next prime is 12031230311159. The reversal of 12031230311130 is 3111303213021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12031230311097 and 12031230311106.

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, 9418336 + ... + 10619204.

It is an arithmetic number, because the mean of its divisors is an integer number (902345726700).

Almost surely, 2^{12031230311130} is an apocalyptic number.

12031230311130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031230311130 is an abundant number, since it is smaller than the sum of its proper divisors (16843832943270).

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

12031230311130 is a wasteful number, since it uses less digits than its factorization.

12031230311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534838.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12031230311130 its reverse (3111303213021), we get a palindrome (15142533524151).

The spelling of 12031230311130 in words is "twelve trillion, thirty-one billion, two hundred thirty million, three hundred eleven thousand, one hundred thirty".