12102010121001 has 128 divisors (see below), whose sum is σ = 17893104768000. Its totient is φ = 7254182707200.

The previous prime is 12102010120943. The next prime is 12102010121011. The reversal of 12102010121001 is 10012101020121.

It is not a de Polignac number, because 12102010121001 - 2⁷ = 12102010120873 is a prime.

It is a super-2 number, since 2×12102010121001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102010121011) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1674088255 + ... + 1674095483.

It is an arithmetic number, because the mean of its divisors is an integer number (139789881000).

Almost surely, 2^{12102010121001} is an apocalyptic number.

It is an amenable number.

12102010121001 is a deficient number, since it is larger than the sum of its proper divisors (5791094646999).

12102010121001 is a wasteful number, since it uses less digits than its factorization.

12102010121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12102010121001 its reverse (10012101020121), we get a palindrome (22114111141122).

The spelling of 12102010121001 in words is "twelve trillion, one hundred two billion, ten million, one hundred twenty-one thousand, one".