12021011032021 has 8 divisors (see below), whose sum is σ = 12685251182400. Its totient is φ = 11359926417600.

The previous prime is 12021011031979. The next prime is 12021011032027. The reversal of 12021011032021 is 12023011012021.

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 12021011032021 - 2⁹ = 12021011031509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021011031986 and 12021011032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021011032027) 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, 788876161 + ... + 788891398.

It is an arithmetic number, because the mean of its divisors is an integer number (1585656397800).

Almost surely, 2^{12021011032021} is an apocalyptic number.

It is an amenable number.

12021011032021 is a deficient number, since it is larger than the sum of its proper divisors (664240150379).

12021011032021 is a wasteful number, since it uses less digits than its factorization.

12021011032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577767979.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12021011032021 its reverse (12023011012021), we get a palindrome (24044022044042).

The spelling of 12021011032021 in words is "twelve trillion, twenty-one billion, eleven million, thirty-two thousand, twenty-one".