1212130123143 has 8 divisors (see below), whose sum is σ = 1616204044800. Its totient is φ = 808071475128.

The previous prime is 1212130123069. The next prime is 1212130123147. The reversal of 1212130123143 is 3413210312121.

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

It is not a de Polignac number, because 1212130123143 - 2⁹ = 1212130122631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212130123147) 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, 3631933 + ... + 3951606.

It is an arithmetic number, because the mean of its divisors is an integer number (202025505600).

Almost surely, 2^{1212130123143} is an apocalyptic number.

1212130123143 is a deficient number, since it is larger than the sum of its proper divisors (404073921657).

1212130123143 is an equidigital number, since it uses as much as digits as its factorization.

1212130123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636821.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1212130123143 its reverse (3413210312121), we get a palindrome (4625340435264).

The spelling of 1212130123143 in words is "one trillion, two hundred twelve billion, one hundred thirty million, one hundred twenty-three thousand, one hundred forty-three".