3200121013 has 2 divisors, whose sum is σ = 3200121014. Its totient is φ = 3200121012.

The previous prime is 3200120969. The next prime is 3200121047. The reversal of 3200121013 is 3101210023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2654104324 + 546016689 = 51518^2 + 23367^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200121013 - 2¹³ = 3200112821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3200120984 and 3200121002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3200127013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600060506 + 1600060507.

It is an arithmetic number, because the mean of its divisors is an integer number (1600060507).

Almost surely, 2^3200121013 is an apocalyptic number.

It is an amenable number.

3200121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200121013 is an equidigital number, since it uses as much as digits as its factorization.

3200121013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3200121013 is about 56569.6120987231. The cubic root of 3200121013 is about 1473.6311748763.

Adding to 3200121013 its reverse (3101210023), we get a palindrome (6301331036).

The spelling of 3200121013 in words is "three billion, two hundred million, one hundred twenty-one thousand, thirteen".