12031211030 has 16 divisors (see below), whose sum is σ = 21952841184. Its totient is φ = 4746559680.

The previous prime is 12031211009. The next prime is 12031211057. The reversal of 12031211030 is 3011213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031210996 and 12031211014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8239826 + ... + 8241285.

It is an arithmetic number, because the mean of its divisors is an integer number (1372052574).

Almost surely, 2^12031211030 is an apocalyptic number.

12031211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031211030 is a deficient number, since it is larger than the sum of its proper divisors (9921630154).

12031211030 is a wasteful number, since it uses less digits than its factorization.

12031211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481191.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12031211030 its reverse (3011213021), we get a palindrome (15042424051).

The spelling of 12031211030 in words is "twelve billion, thirty-one million, two hundred eleven thousand, thirty".