12131211111002 has 8 divisors (see below), whose sum is σ = 18196840963200. Its totient is φ = 6065597456604.

The previous prime is 12131211110983. The next prime is 12131211111017. The reversal of 12131211111002 is 20011111213121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961852 + ... + 5302007.

It is an arithmetic number, because the mean of its divisors is an integer number (2274605120400).

Almost surely, 2^{12131211111002} is an apocalyptic number.

12131211111002 is a deficient number, since it is larger than the sum of its proper divisors (6065629852198).

12131211111002 is an equidigital number, since it uses as much as digits as its factorization.

12131211111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098900.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 12131211111002 its reverse (20011111213121), we get a palindrome (32142322324123).

The spelling of 12131211111002 in words is "twelve trillion, one hundred thirty-one billion, two hundred eleven million, one hundred eleven thousand, two".