12210123103031 has 4 divisors (see below), whose sum is σ = 13954426403472. Its totient is φ = 10465819802592.

The previous prime is 12210123103021. The next prime is 12210123103067. The reversal of 12210123103031 is 13030132101221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12210123103031 - 2¹⁴ = 12210123086647 is a prime.

It is a super-2 number, since 2×12210123103031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210123102994 and 12210123103012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210123103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872151650210 + ... + 872151650223.

It is an arithmetic number, because the mean of its divisors is an integer number (3488606600868).

Almost surely, 2^{12210123103031} is an apocalyptic number.

12210123103031 is a deficient number, since it is larger than the sum of its proper divisors (1744303300441).

12210123103031 is an equidigital number, since it uses as much as digits as its factorization.

12210123103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744303300440.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12210123103031 its reverse (13030132101221), we get a palindrome (25240255204252).

The spelling of 12210123103031 in words is "twelve trillion, two hundred ten billion, one hundred twenty-three million, one hundred three thousand, thirty-one".