12031213011103 has 128 divisors (see below), whose sum is σ = 15244711308288. Its totient is φ = 9343434240000.

The previous prime is 12031213011011. The next prime is 12031213011107. The reversal of 12031213011103 is 30111031213021.

12031213011103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12031213011103 - 2¹³ = 12031213002911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031213011107) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7658314308 + ... + 7658315878.

It is an arithmetic number, because the mean of its divisors is an integer number (119099307096).

Almost surely, 2^{12031213011103} is an apocalyptic number.

12031213011103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12031213011103 is a deficient number, since it is larger than the sum of its proper divisors (3213498297185).

12031213011103 is a wasteful number, since it uses less digits than its factorization.

12031213011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12031213011103 its reverse (30111031213021), we get a palindrome (42142244224124).

The spelling of 12031213011103 in words is "twelve trillion, thirty-one billion, two hundred thirteen million, eleven thousand, one hundred three".