20121114431203 has 8 divisors (see below), whose sum is σ = 20487381082560. Its totient is φ = 19755688807080.

The previous prime is 20121114431179. The next prime is 20121114431237. The reversal of 20121114431203 is 30213441112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20121114431203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20121114431263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210208525 + ... + 210304222.

It is an arithmetic number, because the mean of its divisors is an integer number (2560922635320).

Almost surely, 2^{20121114431203} is an apocalyptic number.

20121114431203 is a deficient number, since it is larger than the sum of its proper divisors (366266651357).

20121114431203 is an equidigital number, since it uses as much as digits as its factorization.

20121114431203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420513617.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20121114431203 its reverse (30213441112102), we get a palindrome (50334555543305).

The spelling of 20121114431203 in words is "twenty trillion, one hundred twenty-one billion, one hundred fourteen million, four hundred thirty-one thousand, two hundred three".