1202211272 has 16 divisors (see below), whose sum is σ = 2255377740. Its totient is φ = 600777216.

The previous prime is 1202211271. The next prime is 1202211293. The reversal of 1202211272 is 2721122021.

It can be written as a sum of positive squares in 2 ways, for example, as 1200345316 + 1865956 = 34646^2 + 1366^2 .

It is not an unprimeable number, because it can be changed into a prime (1202211271) 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 3 ways as a sum of consecutive naturals, for example, 25133 + ... + 55100.

Almost surely, 2^1202211272 is an apocalyptic number.

It is an amenable number.

1202211272 is a deficient number, since it is larger than the sum of its proper divisors (1053166468).

1202211272 is a wasteful number, since it uses less digits than its factorization.

1202211272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82112 (or 82108 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1202211272 is about 34672.9184234613. The cubic root of 1202211272 is about 1063.3108984194.

Adding to 1202211272 its reverse (2721122021), we get a palindrome (3923333293).

The spelling of 1202211272 in words is "one billion, two hundred two million, two hundred eleven thousand, two hundred seventy-two".