12001210311103 has 16 divisors (see below), whose sum is σ = 13101157139616. Its totient is φ = 10927406016000.

The previous prime is 12001210311091. The next prime is 12001210311127. The reversal of 12001210311103 is 30111301210021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12001210311103 - 2⁹ = 12001210310591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001210312103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18190398 + ... + 18838603.

It is an arithmetic number, because the mean of its divisors is an integer number (818822321226).

Almost surely, 2^{12001210311103} is an apocalyptic number.

12001210311103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12001210311103 is a deficient number, since it is larger than the sum of its proper divisors (1099946828513).

12001210311103 is a wasteful number, since it uses less digits than its factorization.

12001210311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37029354.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12001210311103 its reverse (30111301210021), we get a palindrome (42112511521124).

The spelling of 12001210311103 in words is "twelve trillion, one billion, two hundred ten million, three hundred eleven thousand, one hundred three".