1030210120123 has 4 divisors (see below), whose sum is σ = 1035387055600. Its totient is φ = 1025033184648.

The previous prime is 1030210120109. The next prime is 1030210120133. The reversal of 1030210120123 is 3210210120301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030210120123 - 2²¹ = 1030208022971 is a prime.

It is a super-2 number, since 2×1030210120123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030210120097 and 1030210120106.

It is not an unprimeable number, because it can be changed into a prime (1030210120133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588467440 + ... + 2588467837.

It is an arithmetic number, because the mean of its divisors is an integer number (258846763900).

Almost surely, 2^{1030210120123} is an apocalyptic number.

1030210120123 is a deficient number, since it is larger than the sum of its proper divisors (5176935477).

1030210120123 is an equidigital number, since it uses as much as digits as its factorization.

1030210120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176935476.

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

Adding to 1030210120123 its reverse (3210210120301), we get a palindrome (4240420240424).

The spelling of 1030210120123 in words is "one trillion, thirty billion, two hundred ten million, one hundred twenty thousand, one hundred twenty-three".