30303221212020 has 96 divisors (see below), whose sum is σ = 90134159068800. Its totient is φ = 7585316181504.

The previous prime is 30303221212003. The next prime is 30303221212037. The reversal of 30303221212020 is 2021212230303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30303221212003) and next prime (30303221212037).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121810479 + ... + 122058998.

It is an arithmetic number, because the mean of its divisors is an integer number (938897490300).

Almost surely, 2^{30303221212020} is an apocalyptic number.

30303221212020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30303221212020 is an abundant number, since it is smaller than the sum of its proper divisors (59830937856780).

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

30303221212020 is a wasteful number, since it uses less digits than its factorization.

30303221212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243869617 (or 243869615 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30303221212020 its reverse (2021212230303), we get a palindrome (32324433442323).

The spelling of 30303221212020 in words is "thirty trillion, three hundred three billion, two hundred twenty-one million, two hundred twelve thousand, twenty".