1201201222 has 32 divisors (see below), whose sum is σ = 1982086848. Its totient is φ = 542545536.

The previous prime is 1201201201. The next prime is 1201201229. The reversal of 1201201222 is 2221021021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692268 + ... + 694000.

It is an arithmetic number, because the mean of its divisors is an integer number (61940214).

Almost surely, 2^1201201222 is an apocalyptic number.

1201201222 is a deficient number, since it is larger than the sum of its proper divisors (780885626).

1201201222 is a wasteful number, since it uses less digits than its factorization.

1201201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

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

The square root of 1201201222 is about 34658.3499607238. The cubic root of 1201201222 is about 1063.0130311712.

Adding to 1201201222 its reverse (2221021021), we get a palindrome (3422222243).

The spelling of 1201201222 in words is "one billion, two hundred one million, two hundred one thousand, two hundred twenty-two".