30201031221012 has 36 divisors (see below), whose sum is σ = 76351692807936. Its totient is φ = 10065665718480.

The previous prime is 30201031220993. The next prime is 30201031221013. The reversal of 30201031221012 is 21012213010203.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201031221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55755414 + ... + 56294477.

It is an arithmetic number, because the mean of its divisors is an integer number (2120880355776).

Almost surely, 2^{30201031221012} is an apocalyptic number.

It is an amenable number.

30201031221012 is an abundant number, since it is smaller than the sum of its proper divisors (46150661586924).

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

30201031221012 is a wasteful number, since it uses less digits than its factorization.

30201031221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112057388 (or 112057383 counting only the distinct ones).

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

Adding to 30201031221012 its reverse (21012213010203), we get a palindrome (51213244231215).

The spelling of 30201031221012 in words is "thirty trillion, two hundred one billion, thirty-one million, two hundred twenty-one thousand, twelve".