2012001000122 has 4 divisors (see below), whose sum is σ = 3018001500186. Its totient is φ = 1006000500060.

The previous prime is 2012001000089. The next prime is 2012001000127. The reversal of 2012001000122 is 2210001002102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1200670254001 + 811330746121 = 1095751^2 + 900739^2 .

It is not an unprimeable number, because it can be changed into a prime (2012001000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503000250029 + ... + 503000250032.

Almost surely, 2^{2012001000122} is an apocalyptic number.

2012001000122 is a deficient number, since it is larger than the sum of its proper divisors (1006000500064).

2012001000122 is a wasteful number, since it uses less digits than its factorization.

2012001000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006000500063.

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

Adding to 2012001000122 its reverse (2210001002102), we get a palindrome (4222002002224).

The spelling of 2012001000122 in words is "two trillion, twelve billion, one million, one hundred twenty-two", and thus it is an aban number.