10121213023 has 4 divisors (see below), whose sum is σ = 10139384520. Its totient is φ = 10103041528.

The previous prime is 10121213017. The next prime is 10121213071. The reversal of 10121213023 is 32031212101.

10121213023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10121213023 - 2¹⁷ = 10121081951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121212988 and 10121213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121213093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9084913 + ... + 9086026.

It is an arithmetic number, because the mean of its divisors is an integer number (2534846130).

Almost surely, 2^10121213023 is an apocalyptic number.

10121213023 is a deficient number, since it is larger than the sum of its proper divisors (18171497).

10121213023 is an equidigital number, since it uses as much as digits as its factorization.

10121213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18171496.

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

Adding to 10121213023 its reverse (32031212101), we get a palindrome (42152425124).

The spelling of 10121213023 in words is "ten billion, one hundred twenty-one million, two hundred thirteen thousand, twenty-three".