12100212203203 has 4 divisors (see below), whose sum is σ = 12101135262480. Its totient is φ = 12099289143928.

The previous prime is 12100212203141. The next prime is 12100212203329. The reversal of 12100212203203 is 30230221200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100212203203 - 2¹³ = 12100212195011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100212203903) 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, 461509975 + ... + 461536192.

It is an arithmetic number, because the mean of its divisors is an integer number (3025283815620).

Almost surely, 2^{12100212203203} is an apocalyptic number.

12100212203203 is a deficient number, since it is larger than the sum of its proper divisors (923059277).

12100212203203 is an equidigital number, since it uses as much as digits as its factorization.

12100212203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923059276.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12100212203203 its reverse (30230221200121), we get a palindrome (42330433403324).

The spelling of 12100212203203 in words is "twelve trillion, one hundred billion, two hundred twelve million, two hundred three thousand, two hundred three".