5021200123 has 2 divisors, whose sum is σ = 5021200124. Its totient is φ = 5021200122.

The previous prime is 5021200109. The next prime is 5021200141. The reversal of 5021200123 is 3210021205.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5021200123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5021200097 and 5021200106.

It is not a weakly prime, because it can be changed into another prime (5021200183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510600061 + 2510600062.

It is an arithmetic number, because the mean of its divisors is an integer number (2510600062).

Almost surely, 2^5021200123 is an apocalyptic number.

5021200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021200123 is an equidigital number, since it uses as much as digits as its factorization.

5021200123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5021200123 is about 70860.4270591139. The cubic root of 5021200123 is about 1712.3893189909.

Adding to 5021200123 its reverse (3210021205), we get a palindrome (8231221328).

The spelling of 5021200123 in words is "five billion, twenty-one million, two hundred thousand, one hundred twenty-three".