1012130103123 has 6 divisors (see below), whose sum is σ = 1461965704524. Its totient is φ = 674753402076.

The previous prime is 1012130103119. The next prime is 1012130103223. The reversal of 1012130103123 is 3213010312101.

It is not a de Polignac number, because 1012130103123 - 2² = 1012130103119 is a prime.

It is a super-2 number, since 2×1012130103123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012130103096 and 1012130103105.

It is not an unprimeable number, because it can be changed into a prime (1012130103223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56229450165 + ... + 56229450182.

It is an arithmetic number, because the mean of its divisors is an integer number (243660950754).

Almost surely, 2^{1012130103123} is an apocalyptic number.

1012130103123 is a deficient number, since it is larger than the sum of its proper divisors (449835601401).

1012130103123 is a wasteful number, since it uses less digits than its factorization.

1012130103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112458900353 (or 112458900350 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1012130103123 its reverse (3213010312101), we get a palindrome (4225140415224).

The spelling of 1012130103123 in words is "one trillion, twelve billion, one hundred thirty million, one hundred three thousand, one hundred twenty-three".