30012112103 has 16 divisors (see below), whose sum is σ = 32111645184. Its totient is φ = 27950317440.

The previous prime is 30012112099. The next prime is 30012112121. The reversal of 30012112103 is 30121121003.

It is not a de Polignac number, because 30012112103 - 2² = 30012112099 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 (30012112133) 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, 1640738 + ... + 1658928.

It is an arithmetic number, because the mean of its divisors is an integer number (2006977824).

Almost surely, 2^30012112103 is an apocalyptic number.

30012112103 is a deficient number, since it is larger than the sum of its proper divisors (2099533081).

30012112103 is a wasteful number, since it uses less digits than its factorization.

30012112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19222.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30012112103 its reverse (30121121003), we get a palindrome (60133233106).

The spelling of 30012112103 in words is "thirty billion, twelve million, one hundred twelve thousand, one hundred three".