12100021211001 has 32 divisors (see below), whose sum is σ = 17062633921536. Its totient is φ = 7614880128000.

The previous prime is 12100021210903. The next prime is 12100021211017. The reversal of 12100021211001 is 10011212000121.

12100021211001 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 12100021211001 - 2⁹ = 12100021210489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12100021211101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24621255 + ... + 25107891.

It is an arithmetic number, because the mean of its divisors is an integer number (533207310048).

Almost surely, 2^{12100021211001} is an apocalyptic number.

It is an amenable number.

12100021211001 is a deficient number, since it is larger than the sum of its proper divisors (4962612710535).

12100021211001 is a wasteful number, since it uses less digits than its factorization.

12100021211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493233.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12100021211001 its reverse (10011212000121), we get a palindrome (22111233211122).

The spelling of 12100021211001 in words is "twelve trillion, one hundred billion, twenty-one million, two hundred eleven thousand, one".