12021102323031 has 32 divisors (see below), whose sum is σ = 17028552096000. Its totient is φ = 7521761253888.

The previous prime is 12021102323029. The next prime is 12021102323039. The reversal of 12021102323031 is 13032320112021.

It is not a de Polignac number, because 12021102323031 - 2¹ = 12021102323029 is a prime.

It is a super-2 number, since 2×12021102323031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021102322989 and 12021102323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021102323039) 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, 14203360 + ... + 15025898.

It is an arithmetic number, because the mean of its divisors is an integer number (532142253000).

Almost surely, 2^{12021102323031} is an apocalyptic number.

12021102323031 is a deficient number, since it is larger than the sum of its proper divisors (5007449772969).

12021102323031 is a wasteful number, since it uses less digits than its factorization.

12021102323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824943.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12021102323031 its reverse (13032320112021), we get a palindrome (25053422435052).

The spelling of 12021102323031 in words is "twelve trillion, twenty-one billion, one hundred two million, three hundred twenty-three thousand, thirty-one".