1000121200202 has 16 divisors (see below), whose sum is σ = 1563240045960. Its totient is φ = 479292914688.

The previous prime is 1000121200163. The next prime is 1000121200207. The reversal of 1000121200202 is 2020021210001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 728358126721 + 271763073481 = 853439^2 + 521309^2 .

It is not an unprimeable number, because it can be changed into a prime (1000121200207) 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, 62924423 + ... + 62940314.

Almost surely, 2^{1000121200202} is an apocalyptic number.

1000121200202 is a deficient number, since it is larger than the sum of its proper divisors (563118845758).

1000121200202 is a wasteful number, since it uses less digits than its factorization.

1000121200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125864905.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000121200202 its reverse (2020021210001), we get a palindrome (3020142410203).

The spelling of 1000121200202 in words is "one trillion, one hundred twenty-one million, two hundred thousand, two hundred two".