1321201202 has 4 divisors (see below), whose sum is σ = 1981801806. Its totient is φ = 660600600.

The previous prime is 1321201199. The next prime is 1321201229. The reversal of 1321201202 is 2021021231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1153213681 + 167987521 = 33959^2 + 12961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330300299 + ... + 330300302.

Almost surely, 2^1321201202 is an apocalyptic number.

1321201202 is a deficient number, since it is larger than the sum of its proper divisors (660600604).

1321201202 is an equidigital number, since it uses as much as digits as its factorization.

1321201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660600603.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1321201202 is about 36348.3314885292. The cubic root of 1321201202 is about 1097.2939550894.

Adding to 1321201202 its reverse (2021021231), we get a palindrome (3342222433).

The spelling of 1321201202 in words is "one billion, three hundred twenty-one million, two hundred one thousand, two hundred two".