1001201200122 has 32 divisors (see below), whose sum is σ = 2006491979520. Its totient is φ = 333052743680.

The previous prime is 1001201200061. The next prime is 1001201200141. The reversal of 1001201200122 is 2210021021001.

It is a junction number, because it is equal to n+sod(n) for n = 1001201200098 and 1001201200107.

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, 6624922 + ... + 6774362.

It is an arithmetic number, because the mean of its divisors is an integer number (62702874360).

Almost surely, 2^{1001201200122} is an apocalyptic number.

1001201200122 is an abundant number, since it is smaller than the sum of its proper divisors (1005290779398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001201200122 is a wasteful number, since it uses less digits than its factorization.

1001201200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151718.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1001201200122 its reverse (2210021021001), we get a palindrome (3211222221123).

The spelling of 1001201200122 in words is "one trillion, one billion, two hundred one million, two hundred thousand, one hundred twenty-two".