1201223132201 has 4 divisors (see below), whose sum is σ = 1226781071232. Its totient is φ = 1175665193172.

The previous prime is 1201223132173. The next prime is 1201223132209. The reversal of 1201223132201 is 1022313221021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201223132201 - 2¹⁴ = 1201223115817 is a prime.

It is a super-2 number, since 2×1201223132201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201223132209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12778969445 + ... + 12778969538.

It is an arithmetic number, because the mean of its divisors is an integer number (306695267808).

Almost surely, 2^{1201223132201} is an apocalyptic number.

It is an amenable number.

1201223132201 is a deficient number, since it is larger than the sum of its proper divisors (25557939031).

1201223132201 is an equidigital number, since it uses as much as digits as its factorization.

1201223132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25557939030.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1201223132201 its reverse (1022313221021), we get a palindrome (2223536353222).

The spelling of 1201223132201 in words is "one trillion, two hundred one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred one".