4012200120001 has 2 divisors, whose sum is σ = 4012200120002. Its totient is φ = 4012200120000.

The previous prime is 4012200119957. The next prime is 4012200120037. The reversal of 4012200120001 is 1000210022104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3171676046400 + 840524073601 = 1780920^2 + 916801^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012200120001 - 2¹¹ = 4012200117953 is a prime.

It is not a weakly prime, because it can be changed into another prime (4012200120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006100060000 + 2006100060001.

It is an arithmetic number, because the mean of its divisors is an integer number (2006100060001).

Almost surely, 2^{4012200120001} is an apocalyptic number.

It is an amenable number.

4012200120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012200120001 is an equidigital number, since it uses as much as digits as its factorization.

4012200120001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 4012200120001 its reverse (1000210022104), we get a palindrome (5012410142105).

The spelling of 4012200120001 in words is "four trillion, twelve billion, two hundred million, one hundred twenty thousand, one".