1000201200122 has 8 divisors (see below), whose sum is σ = 1500306705876. Its totient is φ = 500098964832.

The previous prime is 1000201200101. The next prime is 1000201200149. The reversal of 1000201200122 is 2210021020001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 963006606241 + 37194593881 = 981329^2 + 192859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200528 + ... + 1428500.

Almost surely, 2^{1000201200122} is an apocalyptic number.

1000201200122 is a deficient number, since it is larger than the sum of its proper divisors (500105505754).

1000201200122 is a wasteful number, since it uses less digits than its factorization.

1000201200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635232.

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

Adding to 1000201200122 its reverse (2210021020001), we get a palindrome (3210222220123).

The spelling of 1000201200122 in words is "one trillion, two hundred one million, two hundred thousand, one hundred twenty-two".