30120301212021 has 24 divisors (see below), whose sum is σ = 46013996419040. Its totient is φ = 18933190063200.

The previous prime is 30120301211999. The next prime is 30120301212107. The reversal of 30120301212021 is 12021210302103.

30120301212021 is a `hidden beast` number, since 30 + 120 + 301 + 212 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 30120301212021 - 2⁹ = 30120301211509 is a prime.

It is a super-3 number, since 3×30120301212021³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120301211985 and 30120301212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120301212721) 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, 417362290 + ... + 417434451.

Almost surely, 2^{30120301212021} is an apocalyptic number.

It is an amenable number.

30120301212021 is a deficient number, since it is larger than the sum of its proper divisors (15893695207019).

30120301212021 is a wasteful number, since it uses less digits than its factorization.

30120301212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834796977 (or 834796974 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30120301212021 its reverse (12021210302103), we get a palindrome (42141511514124).

The spelling of 30120301212021 in words is "thirty trillion, one hundred twenty billion, three hundred one million, two hundred twelve thousand, twenty-one".