13120100420103 has 32 divisors (see below), whose sum is σ = 19889722899200. Its totient is φ = 8543102345568.

The previous prime is 13120100420101. The next prime is 13120100420107. The reversal of 13120100420103 is 30102400102131.

13120100420103 is a `hidden beast` number, since 1 + 31 + 201 + 0 + 0 + 420 + 10 + 3 = 666.

It is not a de Polignac number, because 13120100420103 - 2¹ = 13120100420101 is a prime.

It is a super-4 number, since 4×13120100420103⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120100420101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53873133 + ... + 54116121.

It is an arithmetic number, because the mean of its divisors is an integer number (621553840600).

Almost surely, 2^{13120100420103} is an apocalyptic number.

13120100420103 is a deficient number, since it is larger than the sum of its proper divisors (6769622479097).

13120100420103 is a wasteful number, since it uses less digits than its factorization.

13120100420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289548 (or 289542 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13120100420103 its reverse (30102400102131), we get a palindrome (43222500522234).

The spelling of 13120100420103 in words is "thirteen trillion, one hundred twenty billion, one hundred million, four hundred twenty thousand, one hundred three".