3599912202121 has 2 divisors, whose sum is σ = 3599912202122. Its totient is φ = 3599912202120.

The previous prime is 3599912202041. The next prime is 3599912202137. The reversal of 3599912202121 is 1212022199953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3326319392400 + 273592809721 = 1823820^2 + 523061^2 .

It is an emirp because it is prime and its reverse (1212022199953) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3599912202121 is a prime.

It is not a weakly prime, because it can be changed into another prime (3599912205121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1799956101060 + 1799956101061.

It is an arithmetic number, because the mean of its divisors is an integer number (1799956101061).

Almost surely, 2^{3599912202121} is an apocalyptic number.

It is an amenable number.

3599912202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3599912202121 is an equidigital number, since it uses as much as digits as its factorization.

3599912202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 3599912202121 in words is "three trillion, five hundred ninety-nine billion, nine hundred twelve million, two hundred two thousand, one hundred twenty-one".