1203121222 has 16 divisors (see below), whose sum is σ = 1863914112. Its totient is φ = 581837760.

The previous prime is 1203121201. The next prime is 1203121223. The reversal of 1203121222 is 2221213021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1203121196 and 1203121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203121223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142018 + ... + 150250.

It is an arithmetic number, because the mean of its divisors is an integer number (116494632).

Almost surely, 2^1203121222 is an apocalyptic number.

1203121222 is a deficient number, since it is larger than the sum of its proper divisors (660792890).

1203121222 is a wasteful number, since it uses less digits than its factorization.

1203121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623.

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

The square root of 1203121222 is about 34686.0378538685. The cubic root of 1203121222 is about 1063.5791030084.

Adding to 1203121222 its reverse (2221213021), we get a palindrome (3424334243).

The spelling of 1203121222 in words is "one billion, two hundred three million, one hundred twenty-one thousand, two hundred twenty-two".