20130112212403 has 2 divisors, whose sum is σ = 20130112212404. Its totient is φ = 20130112212402.

The previous prime is 20130112212389. The next prime is 20130112212409. The reversal of 20130112212403 is 30421221103102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20130112212403 - 2²¹ = 20130110115251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20130112212409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065056106201 + 10065056106202.

It is an arithmetic number, because the mean of its divisors is an integer number (10065056106202).

Almost surely, 2^{20130112212403} is an apocalyptic number.

20130112212403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130112212403 is an equidigital number, since it uses as much as digits as its factorization.

20130112212403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20130112212403 its reverse (30421221103102), we get a palindrome (50551333315505).

The spelling of 20130112212403 in words is "twenty trillion, one hundred thirty billion, one hundred twelve million, two hundred twelve thousand, four hundred three".