12120000101021 has 8 divisors (see below), whose sum is σ = 13508359246080. Its totient is φ = 10806687396288.

The previous prime is 12120000100937. The next prime is 12120000101023. The reversal of 12120000101021 is 12010100002121.

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 12120000101021 - 2¹⁰ = 12120000099997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120000100993 and 12120000101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120000101023) 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 7 ways as a sum of consecutive naturals, for example, 18761609741 + ... + 18761610386.

It is an arithmetic number, because the mean of its divisors is an integer number (1688544905760).

Almost surely, 2^{12120000101021} is an apocalyptic number.

It is an amenable number.

12120000101021 is a deficient number, since it is larger than the sum of its proper divisors (1388359145059).

12120000101021 is a wasteful number, since it uses less digits than its factorization.

12120000101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37523220163.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120000101021 its reverse (12010100002121), we get a palindrome (24130100103142).

The spelling of 12120000101021 in words is "twelve trillion, one hundred twenty billion, one hundred one thousand, twenty-one".