30012312120103 has 16 divisors (see below), whose sum is σ = 30679902610560. Its totient is φ = 29350441288800.

The previous prime is 30012312120083. The next prime is 30012312120113. The reversal of 30012312120103 is 30102121321003.

It is a cyclic number.

It is not a de Polignac number, because 30012312120103 - 2⁵ = 30012312120071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012312120113) 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, 65405476 + ... + 65862742.

It is an arithmetic number, because the mean of its divisors is an integer number (1917493913160).

Almost surely, 2^{30012312120103} is an apocalyptic number.

30012312120103 is a deficient number, since it is larger than the sum of its proper divisors (667590490457).

30012312120103 is a wasteful number, since it uses less digits than its factorization.

30012312120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463518.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30012312120103 its reverse (30102121321003), we get a palindrome (60114433441106).

The spelling of 30012312120103 in words is "thirty trillion, twelve billion, three hundred twelve million, one hundred twenty thousand, one hundred three".