30001332212021 has 16 divisors (see below), whose sum is σ = 30405796861440. Its totient is φ = 29600404205760.

The previous prime is 30001332211993. The next prime is 30001332212041. The reversal of 30001332212021 is 12021223310003.

It is a cyclic number.

It is not a de Polignac number, because 30001332212021 - 2²⁶ = 30001265103157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30001332211984 and 30001332212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001332212041) 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, 10557950 + ... + 13094768.

It is an arithmetic number, because the mean of its divisors is an integer number (1900362303840).

Almost surely, 2^{30001332212021} is an apocalyptic number.

It is an amenable number.

30001332212021 is a deficient number, since it is larger than the sum of its proper divisors (404464649419).

30001332212021 is a wasteful number, since it uses less digits than its factorization.

30001332212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537516.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30001332212021 its reverse (12021223310003), we get a palindrome (42022555522024).

The spelling of 30001332212021 in words is "thirty trillion, one billion, three hundred thirty-two million, two hundred twelve thousand, twenty-one".