1012031123123 has 8 divisors (see below), whose sum is σ = 1012514229792. Its totient is φ = 1011548108736.

The previous prime is 1012031123111. The next prime is 1012031123149. The reversal of 1012031123123 is 3213211302101.

It is a happy number.

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 1012031123123 - 2¹⁴ = 1012031106739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012031123095 and 1012031123104.

It is not an unprimeable number, because it can be changed into a prime (1012031123423) 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, 31553711 + ... + 31585767.

It is an arithmetic number, because the mean of its divisors is an integer number (126564278724).

Almost surely, 2^{1012031123123} is an apocalyptic number.

1012031123123 is a deficient number, since it is larger than the sum of its proper divisors (483106669).

1012031123123 is a wasteful number, since it uses less digits than its factorization.

1012031123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46141.

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

Adding to 1012031123123 its reverse (3213211302101), we get a palindrome (4225242425224).

The spelling of 1012031123123 in words is "one trillion, twelve billion, thirty-one million, one hundred twenty-three thousand, one hundred twenty-three".