13212111020001 has 4 divisors (see below), whose sum is σ = 17616148026672. Its totient is φ = 8808074013332.

The previous prime is 13212111019993. The next prime is 13212111020011. The reversal of 13212111020001 is 10002011121231.

13212111020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13212111020001 - 2³ = 13212111019993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13212111020011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202018503331 + ... + 2202018503336.

It is an arithmetic number, because the mean of its divisors is an integer number (4404037006668).

Almost surely, 2^{13212111020001} is an apocalyptic number.

It is an amenable number.

13212111020001 is a deficient number, since it is larger than the sum of its proper divisors (4404037006671).

13212111020001 is an equidigital number, since it uses as much as digits as its factorization.

13212111020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404037006670.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13212111020001 its reverse (10002011121231), we get a palindrome (23214122141232).

The spelling of 13212111020001 in words is "thirteen trillion, two hundred twelve billion, one hundred eleven million, twenty thousand, one".