30002123122002 has 24 divisors (see below), whose sum is σ = 65579862049884. Its totient is φ = 9912205868544.

The previous prime is 30002123121991. The next prime is 30002123122061. The reversal of 30002123122002 is 20022132120003.

It can be written as a sum of positive squares in 2 ways, for example, as 22765694938281 + 7236428183721 = 4771341^2 + 2690061^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7375151143 + ... + 7375155210.

Almost surely, 2^{30002123122002} is an apocalyptic number.

30002123122002 is an abundant number, since it is smaller than the sum of its proper divisors (35577738927882).

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

30002123122002 is a wasteful number, since it uses less digits than its factorization.

30002123122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14750306474 (or 14750306471 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30002123122002 its reverse (20022132120003), we get a palindrome (50024255242005).

The spelling of 30002123122002 in words is "thirty trillion, two billion, one hundred twenty-three million, one hundred twenty-two thousand, two".