2010001220123 has 32 divisors (see below), whose sum is σ = 2224421075520. Its totient is φ = 1804419901440.

The previous prime is 2010001220107. The next prime is 2010001220141. The reversal of 2010001220123 is 3210221000102.

It is a happy number.

It is not a de Polignac number, because 2010001220123 - 2⁴ = 2010001220107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010001220098 and 2010001220107.

It is not an unprimeable number, because it can be changed into a prime (2010001220323) 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 in 31 ways as a sum of consecutive naturals, for example, 254201336 + ... + 254209242.

It is an arithmetic number, because the mean of its divisors is an integer number (69513158610).

Almost surely, 2^{2010001220123} is an apocalyptic number.

2010001220123 is a deficient number, since it is larger than the sum of its proper divisors (214419855397).

2010001220123 is a wasteful number, since it uses less digits than its factorization.

2010001220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2010001220123 its reverse (3210221000102), we get a palindrome (5220222220225).

The spelling of 2010001220123 in words is "two trillion, ten billion, one million, two hundred twenty thousand, one hundred twenty-three".