30012121012003 has 32 divisors (see below), whose sum is σ = 34246224315072. Its totient is φ = 26055403315200.

The previous prime is 30012121011949. The next prime is 30012121012031. The reversal of 30012121012003 is 30021012121003.

It is a cyclic number.

It is not a de Polignac number, because 30012121012003 - 2⁹ = 30012121011491 is a prime.

It is a super-2 number, since 2×30012121012003² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012121012043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3319553163 + ... + 3319562203.

It is an arithmetic number, because the mean of its divisors is an integer number (1070194509846).

Almost surely, 2^{30012121012003} is an apocalyptic number.

30012121012003 is a deficient number, since it is larger than the sum of its proper divisors (4234103303069).

30012121012003 is a wasteful number, since it uses less digits than its factorization.

30012121012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18055.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30012121012003 its reverse (30021012121003), we get a palindrome (60033133133006).

The spelling of 30012121012003 in words is "thirty trillion, twelve billion, one hundred twenty-one million, twelve thousand, three".