12020001022123 has 2 divisors, whose sum is σ = 12020001022124. Its totient is φ = 12020001022122.

The previous prime is 12020001022103. The next prime is 12020001022151. The reversal of 12020001022123 is 32122010002021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020001022123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020001022097 and 12020001022106.

It is not a weakly prime, because it can be changed into another prime (12020001022103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010000511061 + 6010000511062.

It is an arithmetic number, because the mean of its divisors is an integer number (6010000511062).

Almost surely, 2^{12020001022123} is an apocalyptic number.

12020001022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020001022123 is an equidigital number, since it uses as much as digits as its factorization.

12020001022123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12020001022123 its reverse (32122010002021), we get a palindrome (44142011024144).

The spelling of 12020001022123 in words is "twelve trillion, twenty billion, one million, twenty-two thousand, one hundred twenty-three".