1210131212123 has 8 divisors (see below), whose sum is σ = 1262938284000. Its totient is φ = 1158062700928.

The previous prime is 1210131212083. The next prime is 1210131212137. The reversal of 1210131212123 is 3212121310121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210131212123 - 2¹⁰ = 1210131211099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210131212095 and 1210131212104.

It is not an unprimeable number, because it can be changed into a prime (1210131212183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184636823 + ... + 184643376.

It is an arithmetic number, because the mean of its divisors is an integer number (157867285500).

Almost surely, 2^{1210131212123} is an apocalyptic number.

1210131212123 is a deficient number, since it is larger than the sum of its proper divisors (52807071877).

1210131212123 is a wasteful number, since it uses less digits than its factorization.

1210131212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369280341.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1210131212123 its reverse (3212121310121), we get a palindrome (4422252522244).

The spelling of 1210131212123 in words is "one trillion, two hundred ten billion, one hundred thirty-one million, two hundred twelve thousand, one hundred twenty-three".