30012121211103 has 24 divisors (see below), whose sum is σ = 44292509496768. Its totient is φ = 19573836259392.

The previous prime is 30012121211101. The next prime is 30012121211173. The reversal of 30012121211103 is 30111212121003.

30012121211103 is a `hidden beast` number, since 300 + 121 + 21 + 211 + 10 + 3 = 666.

It is not a de Polignac number, because 30012121211103 - 2¹ = 30012121211101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012121211101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14501200 + ... + 16441077.

It is an arithmetic number, because the mean of its divisors is an integer number (1845521229032).

Almost surely, 2^{30012121211103} is an apocalyptic number.

30012121211103 is a deficient number, since it is larger than the sum of its proper divisors (14280388285665).

30012121211103 is a wasteful number, since it uses less digits than its factorization.

30012121211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30944623 (or 30944620 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 30012121211103 its reverse (30111212121003), we get a palindrome (60123333332106).

The spelling of 30012121211103 in words is "thirty trillion, twelve billion, one hundred twenty-one million, two hundred eleven thousand, one hundred three".