12100220012001 has 48 divisors (see below), whose sum is σ = 17849516912640. Its totient is φ = 7285688440800.

The previous prime is 12100220011993. The next prime is 12100220012021. The reversal of 12100220012001 is 10021002200121.

It is not a de Polignac number, because 12100220012001 - 2³ = 12100220011993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12100220012021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39593740 + ... + 39898178.

It is an arithmetic number, because the mean of its divisors is an integer number (371864935680).

Almost surely, 2^{12100220012001} is an apocalyptic number.

12100220012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12100220012001 is a deficient number, since it is larger than the sum of its proper divisors (5749296900639).

12100220012001 is a wasteful number, since it uses less digits than its factorization.

12100220012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305178 (or 305167 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12100220012001 its reverse (10021002200121), we get a palindrome (22121222212122).

The spelling of 12100220012001 in words is "twelve trillion, one hundred billion, two hundred twenty million, twelve thousand, one".