1200021012301 has 2 divisors, whose sum is σ = 1200021012302. Its totient is φ = 1200021012300.

The previous prime is 1200021012299. The next prime is 1200021012349. The reversal of 1200021012301 is 1032101200021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098880475625 + 101140536676 = 1048275^2 + 318026^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200021012301 - 2¹ = 1200021012299 is a prime.

Together with 1200021012299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200021012391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600010506150 + 600010506151.

It is an arithmetic number, because the mean of its divisors is an integer number (600010506151).

Almost surely, 2^{1200021012301} is an apocalyptic number.

It is an amenable number.

1200021012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200021012301 is an equidigital number, since it uses as much as digits as its factorization.

1200021012301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1200021012301 its reverse (1032101200021), we get a palindrome (2232122212322).

The spelling of 1200021012301 in words is "one trillion, two hundred billion, twenty-one million, twelve thousand, three hundred one".