30118381921002 has 8 divisors (see below), whose sum is σ = 60236763842016. Its totient is φ = 10039460640332.

The previous prime is 30118381920973. The next prime is 30118381921007. The reversal of 30118381921002 is 20012918381103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

30118381921002 is an admirable number.

It is a super-4 number, since 4×30118381921002⁴ (a number of 55 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (30118381921007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2509865160078 + ... + 2509865160089.

It is an arithmetic number, because the mean of its divisors is an integer number (7529595480252).

Almost surely, 2^{30118381921002} is an apocalyptic number.

30118381921002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30118381921002 is a wasteful number, since it uses less digits than its factorization.

30118381921002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019730320172.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 30118381921002 in words is "thirty trillion, one hundred eighteen billion, three hundred eighty-one million, nine hundred twenty-one thousand, two".