1000120212201 has 32 divisors (see below), whose sum is σ = 1570312811520. Its totient is φ = 559787412800.

The previous prime is 1000120212191. The next prime is 1000120212229. The reversal of 1000120212201 is 1022120210001.

It is not a de Polignac number, because 1000120212201 - 2⁷ = 1000120212073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000120212401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22696635 + ... + 22740656.

It is an arithmetic number, because the mean of its divisors is an integer number (49072275360).

Almost surely, 2^{1000120212201} is an apocalyptic number.

1000120212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000120212201 is a deficient number, since it is larger than the sum of its proper divisors (570192599319).

1000120212201 is a wasteful number, since it uses less digits than its factorization.

1000120212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45437357.

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

Adding to 1000120212201 its reverse (1022120210001), we get a palindrome (2022240422202).

It can be divided in two parts, 10001 and 20212201, that added together give a palindrome (20222202).

The spelling of 1000120212201 in words is "one trillion, one hundred twenty million, two hundred twelve thousand, two hundred one".