10121220023123 has 16 divisors (see below), whose sum is σ = 11118951163392. Its totient is φ = 9136474920000.

The previous prime is 10121220023113. The next prime is 10121220023153. The reversal of 10121220023123 is 32132002212101.

10121220023123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10121220023123 - 2¹⁴ = 10121220006739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121220023095 and 10121220023104.

It is not an unprimeable number, because it can be changed into a prime (10121220023113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875658 + ... + 5339648.

It is an arithmetic number, because the mean of its divisors is an integer number (694934447712).

Almost surely, 2^{10121220023123} is an apocalyptic number.

10121220023123 is a deficient number, since it is larger than the sum of its proper divisors (997731140269).

10121220023123 is a wasteful number, since it uses less digits than its factorization.

10121220023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466626.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10121220023123 its reverse (32132002212101), we get a palindrome (42253222235224).

The spelling of 10121220023123 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, twenty-three thousand, one hundred twenty-three".