1201321222 has 8 divisors (see below), whose sum is σ = 1840322016. Its totient is φ = 587880552.

The previous prime is 1201321181. The next prime is 1201321223. The reversal of 1201321222 is 2221231021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201321196 and 1201321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201321223) 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, 6389913 + ... + 6390100.

It is an arithmetic number, because the mean of its divisors is an integer number (230040252).

Almost surely, 2^1201321222 is an apocalyptic number.

1201321222 is a deficient number, since it is larger than the sum of its proper divisors (639000794).

1201321222 is a wasteful number, since it uses less digits than its factorization.

1201321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780062.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1201321222 is about 34660.0811020401. The cubic root of 1201321222 is about 1063.0484283258.

Adding to 1201321222 its reverse (2221231021), we get a palindrome (3422552243).

The spelling of 1201321222 in words is "one billion, two hundred one million, three hundred twenty-one thousand, two hundred twenty-two".