200001243211442 has 32 divisors (see below), whose sum is σ = 311474544559920. Its totient is φ = 96201508515840.

The previous prime is 200001243211423. The next prime is 200001243211459. The reversal of 200001243211442 is 244112342100002.

It can be written as a sum of positive squares in 8 ways, for example, as 199888388199721 + 112855011721 = 14138189^2 + 335939^2 .

It is a super-2 number, since 2×200001243211442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220172768 + ... + 221079284.

Almost surely, 2^{200001243211442} is an apocalyptic number.

200001243211442 is a deficient number, since it is larger than the sum of its proper divisors (111473301348478).

200001243211442 is a wasteful number, since it uses less digits than its factorization.

200001243211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920366.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 200001243211442 its reverse (244112342100002), we get a palindrome (444113585311444).

The spelling of 200001243211442 in words is "two hundred trillion, one billion, two hundred forty-three million, two hundred eleven thousand, four hundred forty-two".