30021012032442 has 64 divisors (see below), whose sum is σ = 63024944209920. Its totient is φ = 9522103780800.

The previous prime is 30021012032441. The next prime is 30021012032447. The reversal of 30021012032442 is 24423021012003.

It is a happy number.

It is a super-3 number, since 3×30021012032442³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (30021012032441) 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, 2995878 + ... + 8307665.

It is an arithmetic number, because the mean of its divisors is an integer number (984764753280).

Almost surely, 2^{30021012032442} is an apocalyptic number.

30021012032442 is an abundant number, since it is smaller than the sum of its proper divisors (33003932177478).

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

30021012032442 is a wasteful number, since it uses less digits than its factorization.

30021012032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303819.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30021012032442 its reverse (24423021012003), we get a palindrome (54444033044445).

The spelling of 30021012032442 in words is "thirty trillion, twenty-one billion, twelve million, thirty-two thousand, four hundred forty-two".