1201200221002 has 16 divisors (see below), whose sum is σ = 1802829587400. Its totient is φ = 600257129472.

The previous prime is 1201200220991. The next prime is 1201200221009. The reversal of 1201200221002 is 2001220021021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1161288572161 + 39911648841 = 1077631^2 + 199779^2 .

It is not an unprimeable number, because it can be changed into a prime (1201200221009) 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, 26806288 + ... + 26851060.

Almost surely, 2^{1201200221002} is an apocalyptic number.

1201200221002 is a deficient number, since it is larger than the sum of its proper divisors (601629366398).

1201200221002 is a wasteful number, since it uses less digits than its factorization.

1201200221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52137.

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

Adding to 1201200221002 its reverse (2001220021021), we get a palindrome (3202420242023).

The spelling of 1201200221002 in words is "one trillion, two hundred one billion, two hundred million, two hundred twenty-one thousand, two".