12102310032021 has 24 divisors (see below), whose sum is σ = 19070706747456. Its totient is φ = 7334579495040.

The previous prime is 12102310031993. The next prime is 12102310032037. The reversal of 12102310032021 is 12023001320121.

12102310032021 is a `hidden beast` number, since 1 + 2 + 10 + 2 + 310 + 0 + 320 + 21 = 666.

12102310032021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102310032021 - 2⁹ = 12102310031509 is a prime.

It is a super-2 number, since 2×12102310032021² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12102310031985 and 12102310032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102310032121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3552856 + ... + 6068558.

It is an arithmetic number, because the mean of its divisors is an integer number (794612781144).

Almost surely, 2^{12102310032021} is an apocalyptic number.

12102310032021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102310032021 is a deficient number, since it is larger than the sum of its proper divisors (6968396715435).

12102310032021 is a wasteful number, since it uses less digits than its factorization.

12102310032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564313 (or 2564310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102310032021 its reverse (12023001320121), we get a palindrome (24125311352142).

The spelling of 12102310032021 in words is "twelve trillion, one hundred two billion, three hundred ten million, thirty-two thousand, twenty-one".