120201002123 has 2 divisors, whose sum is σ = 120201002124. Its totient is φ = 120201002122.

The previous prime is 120201002107. The next prime is 120201002189. The reversal of 120201002123 is 321200102021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120201002123 - 2⁴ = 120201002107 is a prime.

It is a super-2 number, since 2×120201002123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120201002098 and 120201002107.

It is not a weakly prime, because it can be changed into another prime (120201002023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100501061 + 60100501062.

It is an arithmetic number, because the mean of its divisors is an integer number (60100501062).

Almost surely, 2^120201002123 is an apocalyptic number.

120201002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201002123 is an equidigital number, since it uses as much as digits as its factorization.

120201002123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120201002123 its reverse (321200102021), we get a palindrome (441401104144).

The spelling of 120201002123 in words is "one hundred twenty billion, two hundred one million, two thousand, one hundred twenty-three".