1000020210123 has 8 divisors (see below), whose sum is σ = 1454574851136. Its totient is φ = 606072854600.

The previous prime is 1000020210121. The next prime is 1000020210127. The reversal of 1000020210123 is 3210120200001.

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 1000020210123 - 2¹ = 1000020210121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000020210099 and 1000020210108.

It is not an unprimeable number, because it can be changed into a prime (1000020210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15151821333 + ... + 15151821398.

It is an arithmetic number, because the mean of its divisors is an integer number (181821856392).

Almost surely, 2^{1000020210123} is an apocalyptic number.

1000020210123 is a deficient number, since it is larger than the sum of its proper divisors (454554641013).

1000020210123 is a wasteful number, since it uses less digits than its factorization.

1000020210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30303642745.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1000020210123 its reverse (3210120200001), we get a palindrome (4210140410124).

The spelling of 1000020210123 in words is "one trillion, twenty million, two hundred ten thousand, one hundred twenty-three".