1201222212202 has 16 divisors (see below), whose sum is σ = 1803289480200. Its totient is φ = 600125863680.

The previous prime is 1201222212191. The next prime is 1201222212209. The reversal of 1201222212202 is 2022122221021.

It can be written as a sum of positive squares in 4 ways, for example, as 1149078946401 + 52143265801 = 1071951^2 + 228349^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201222212202.

It is not an unprimeable number, because it can be changed into a prime (1201222212209) 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, 18411174 + ... + 18476302.

Almost surely, 2^{1201222212202} is an apocalyptic number.

1201222212202 is a deficient number, since it is larger than the sum of its proper divisors (602067267998).

1201222212202 is a wasteful number, since it uses less digits than its factorization.

1201222212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72441.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1201222212202 its reverse (2022122221021), we get a palindrome (3223344433223).

The spelling of 1201222212202 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".