12121030010023 has 8 divisors (see below), whose sum is σ = 13223043947520. Its totient is φ = 11019033092280.

The previous prime is 12121030009999. The next prime is 12121030010027. The reversal of 12121030010023 is 32001003012121.

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 12121030010023 - 2²¹ = 12121027912871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121030009979 and 12121030010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121030010027) 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, 2742465 + ... + 5635882.

It is an arithmetic number, because the mean of its divisors is an integer number (1652880493440).

Almost surely, 2^{12121030010023} is an apocalyptic number.

12121030010023 is a deficient number, since it is larger than the sum of its proper divisors (1102013937497).

12121030010023 is a wasteful number, since it uses less digits than its factorization.

12121030010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509877.

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

Adding to 12121030010023 its reverse (32001003012121), we get a palindrome (44122033022144).

The spelling of 12121030010023 in words is "twelve trillion, one hundred twenty-one billion, thirty million, ten thousand, twenty-three".