12131001030 has 32 divisors (see below), whose sum is σ = 29120723424. Its totient is φ = 3234231296.

The previous prime is 12131000971. The next prime is 12131001031. The reversal of 12131001030 is 3010013121.

It is a super-2 number, since 2×12131001030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12131000997 and 12131001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131001031) 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, 104854 + ... + 187766.

It is an arithmetic number, because the mean of its divisors is an integer number (910022607).

Almost surely, 2^12131001030 is an apocalyptic number.

12131001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131001030 is an abundant number, since it is smaller than the sum of its proper divisors (16989722394).

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

12131001030 is a wasteful number, since it uses less digits than its factorization.

12131001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87800.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12131001030 its reverse (3010013121), we get a palindrome (15141014151).

The spelling of 12131001030 in words is "twelve billion, one hundred thirty-one million, one thousand, thirty".