210120320012103 has 48 divisors (see below), whose sum is σ = 314357790992544. Its totient is φ = 135170474250240.

The previous prime is 210120320011963. The next prime is 210120320012123. The reversal of 210120320012103 is 301210023021012.

210120320012103 is a `hidden beast` number, since 2 + 10 + 120 + 320 + 0 + 1 + 210 + 3 = 666.

It is not a de Polignac number, because 210120320012103 - 2¹² = 210120320008007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120320012123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3744648 + ... + 20838978.

It is an arithmetic number, because the mean of its divisors is an integer number (6549120645678).

Almost surely, 2^{210120320012103} is an apocalyptic number.

210120320012103 is a deficient number, since it is larger than the sum of its proper divisors (104237470980441).

210120320012103 is a wasteful number, since it uses less digits than its factorization.

210120320012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094816 (or 17094813 counting only the distinct ones).

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

Adding to 210120320012103 its reverse (301210023021012), we get a palindrome (511330343033115).

The spelling of 210120320012103 in words is "two hundred ten trillion, one hundred twenty billion, three hundred twenty million, twelve thousand, one hundred three".