30012320211133 has 6 divisors (see below), whose sum is σ = 32498547921114. Its totient is φ = 27703680194736.

The previous prime is 30012320211127. The next prime is 30012320211161. The reversal of 30012320211133 is 33111202321003.

It can be written as a sum of positive squares in 3 ways, for example, as 741601712569 + 29270718498564 = 861163^2 + 5410242^2 .

It is not a de Polignac number, because 30012320211133 - 2⁴¹ = 27813296955581 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 (30012320211163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88793846610 + ... + 88793846947.

It is an arithmetic number, because the mean of its divisors is an integer number (5416424653519).

Almost surely, 2^{30012320211133} is an apocalyptic number.

It is an amenable number.

30012320211133 is a deficient number, since it is larger than the sum of its proper divisors (2486227709981).

30012320211133 is a wasteful number, since it uses less digits than its factorization.

30012320211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177587693583 (or 177587693570 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30012320211133 its reverse (33111202321003), we get a palindrome (63123522532136).

The spelling of 30012320211133 in words is "thirty trillion, twelve billion, three hundred twenty million, two hundred eleven thousand, one hundred thirty-three".