12102212002021 has 8 divisors (see below), whose sum is σ = 12121588528160. Its totient is φ = 12082850659152.

The previous prime is 12102212002007. The next prime is 12102212002043. The reversal of 12102212002021 is 12020021220121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102212002021 - 2²⁵ = 12102178447589 is a prime.

It is a super-2 number, since 2×12102212002021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102212001986 and 12102212002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102212602021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199855 + ... + 5389228.

It is an arithmetic number, because the mean of its divisors is an integer number (1515198566020).

Almost surely, 2^{12102212002021} is an apocalyptic number.

It is an amenable number.

12102212002021 is a deficient number, since it is larger than the sum of its proper divisors (19376526139).

12102212002021 is a wasteful number, since it uses less digits than its factorization.

12102212002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591635.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102212002021 its reverse (12020021220121), we get a palindrome (24122233222142).

The spelling of 12102212002021 in words is "twelve trillion, one hundred two billion, two hundred twelve million, two thousand, twenty-one".