30300121203021 has 32 divisors (see below), whose sum is σ = 45863431200000. Its totient is φ = 19763740885824.

The previous prime is 30300121203017. The next prime is 30300121203029. The reversal of 30300121203021 is 12030212100303.

30300121203021 is a `hidden beast` number, since 30 + 300 + 12 + 1 + 20 + 302 + 1 = 666.

It is not a de Polignac number, because 30300121203021 - 2² = 30300121203017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30300121202985 and 30300121203003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300121203029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28976646 + ... + 30004103.

It is an arithmetic number, because the mean of its divisors is an integer number (1433232225000).

Almost surely, 2^{30300121203021} is an apocalyptic number.

It is an amenable number.

30300121203021 is a deficient number, since it is larger than the sum of its proper divisors (15563309996979).

30300121203021 is a wasteful number, since it uses less digits than its factorization.

30300121203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58981170 (or 58981164 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30300121203021 its reverse (12030212100303), we get a palindrome (42330333303324).

The spelling of 30300121203021 in words is "thirty trillion, three hundred billion, one hundred twenty-one million, two hundred three thousand, twenty-one".