30002120131293 has 6 divisors (see below), whose sum is σ = 43336395745214. Its totient is φ = 20001413420856.

The previous prime is 30002120131267. The next prime is 30002120131297. The reversal of 30002120131293 is 39213102120003.

30002120131293 is a `hidden beast` number, since 30 + 0 + 0 + 212 + 0 + 131 + 293 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29053372053924 + 948748077369 = 5390118^2 + 974037^2 .

It is not a de Polignac number, because 30002120131293 - 2¹⁴ = 30002120114909 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 (30002120131297) 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, 1666784451730 + ... + 1666784451747.

Almost surely, 2^{30002120131293} is an apocalyptic number.

It is an amenable number.

30002120131293 is a deficient number, since it is larger than the sum of its proper divisors (13334275613921).

30002120131293 is a wasteful number, since it uses less digits than its factorization.

30002120131293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333568903483 (or 3333568903480 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 30002120131293 its reverse (39213102120003), we get a palindrome (69215222251296).

The spelling of 30002120131293 in words is "thirty trillion, two billion, one hundred twenty million, one hundred thirty-one thousand, two hundred ninety-three".