30012120113221 has 16 divisors (see below), whose sum is σ = 30626067225600. Its totient is φ = 29401718665968.

The previous prime is 30012120113113. The next prime is 30012120113233. The reversal of 30012120113221 is 12231102121003.

It is a cyclic number.

It is not a de Polignac number, because 30012120113221 - 2⁷ = 30012120113093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012120113821) 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, 96259860 + ... + 96571138.

It is an arithmetic number, because the mean of its divisors is an integer number (1914129201600).

Almost surely, 2^{30012120113221} is an apocalyptic number.

It is an amenable number.

30012120113221 is a deficient number, since it is larger than the sum of its proper divisors (613947112379).

30012120113221 is a wasteful number, since it uses less digits than its factorization.

30012120113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316968.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30012120113221 its reverse (12231102121003), we get a palindrome (42243222234224).

The spelling of 30012120113221 in words is "thirty trillion, twelve billion, one hundred twenty million, one hundred thirteen thousand, two hundred twenty-one".