1012102003123 has 8 divisors (see below), whose sum is σ = 1013698821600. Its totient is φ = 1010505929088.

The previous prime is 1012102003111. The next prime is 1012102003127. The reversal of 1012102003123 is 3213002012101.

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 1012102003123 - 2¹⁷ = 1012101872051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012102003097 and 1012102003106.

It is not an unprimeable number, because it can be changed into a prime (1012102003127) 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, 2567163 + ... + 2935051.

It is an arithmetic number, because the mean of its divisors is an integer number (126712352700).

Almost surely, 2^{1012102003123} is an apocalyptic number.

1012102003123 is a deficient number, since it is larger than the sum of its proper divisors (1596818477).

1012102003123 is an equidigital number, since it uses as much as digits as its factorization.

1012102003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372221.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1012102003123 its reverse (3213002012101), we get a palindrome (4225104015224).

The spelling of 1012102003123 in words is "one trillion, twelve billion, one hundred two million, three thousand, one hundred twenty-three".