30021011032212 has 36 divisors (see below), whose sum is σ = 76002656626260. Its totient is φ = 9991679008512.

The previous prime is 30021011032171. The next prime is 30021011032247. The reversal of 30021011032212 is 21223011012003.

30021011032212 is a `hidden beast` number, since 300 + 2 + 10 + 110 + 32 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13265300328336 + 16755710703876 = 3642156^2 + 4093374^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30021011032212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638504037 + ... + 638551052.

It is an arithmetic number, because the mean of its divisors is an integer number (2111184906285).

Almost surely, 2^{30021011032212} is an apocalyptic number.

It is an amenable number.

30021011032212 is an abundant number, since it is smaller than the sum of its proper divisors (45981645594048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30021011032212 is a wasteful number, since it uses less digits than its factorization.

30021011032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277055752 (or 1277055747 counting only the distinct ones).

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

Adding to 30021011032212 its reverse (21223011012003), we get a palindrome (51244022044215).

The spelling of 30021011032212 in words is "thirty trillion, twenty-one billion, eleven million, thirty-two thousand, two hundred twelve".