1212320022301 has 6 divisors (see below), whose sum is σ = 1267321309310. Its totient is φ = 1159610455608.

The previous prime is 1212320022197. The next prime is 1212320022317. The reversal of 1212320022301 is 1032200232121.

It can be written as a sum of positive squares in only one way, i.e., 950431959801 + 261888062500 = 974901^2 + 511750^2 .

It is not a de Polignac number, because 1212320022301 - 2¹⁵ = 1212319989533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212320022391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1145859606 + ... + 1145860663.

Almost surely, 2^{1212320022301} is an apocalyptic number.

It is an amenable number.

1212320022301 is a deficient number, since it is larger than the sum of its proper divisors (55001287009).

1212320022301 is an equidigital number, since it uses as much as digits as its factorization.

1212320022301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291720315 (or 2291720292 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1212320022301 its reverse (1032200232121), we get a palindrome (2244520254422).

The spelling of 1212320022301 in words is "one trillion, two hundred twelve billion, three hundred twenty million, twenty-two thousand, three hundred one".