1001201212122 has 32 divisors (see below), whose sum is σ = 2114569566720. Its totient is φ = 315152172720.

The previous prime is 1001201212013. The next prime is 1001201212139. The reversal of 1001201212122 is 2212121021001.

It is a super-3 number, since 3×1001201212122³ (a number of 37 digits) contains 333 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, 14084268 + ... + 14155175.

It is an arithmetic number, because the mean of its divisors is an integer number (66080298960).

Almost surely, 2^{1001201212122} is an apocalyptic number.

1001201212122 is an abundant number, since it is smaller than the sum of its proper divisors (1113368354598).

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

1001201212122 is a wasteful number, since it uses less digits than its factorization.

1001201212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28239778.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1001201212122 its reverse (2212121021001), we get a palindrome (3213322233123).

The spelling of 1001201212122 in words is "one trillion, one billion, two hundred one million, two hundred twelve thousand, one hundred twenty-two".