30212330130021 has 16 divisors (see below), whose sum is σ = 43386427400960. Its totient is φ = 18590223142080.

The previous prime is 30212330130013. The next prime is 30212330130023. The reversal of 30212330130021 is 12003103321203.

It is not a de Polignac number, because 30212330130021 - 2³ = 30212330130013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30212330130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212330130023) 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, 40879366 + ... + 41611863.

It is an arithmetic number, because the mean of its divisors is an integer number (2711651712560).

Almost surely, 2^{30212330130021} is an apocalyptic number.

It is an amenable number.

30212330130021 is a deficient number, since it is larger than the sum of its proper divisors (13174097270939).

30212330130021 is a wasteful number, since it uses less digits than its factorization.

30212330130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82500636.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30212330130021 its reverse (12003103321203), we get a palindrome (42215433451224).

The spelling of 30212330130021 in words is "thirty trillion, two hundred twelve billion, three hundred thirty million, one hundred thirty thousand, twenty-one".