30121222312002 has 16 divisors (see below), whose sum is σ = 60244975998432. Its totient is φ = 10039985541600.

The previous prime is 30121222311997. The next prime is 30121222312003. The reversal of 30121222312002 is 20021322212103.

It is a super-2 number, since 2×30121222312002² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30121222312002.

It is not an unprimeable number, because it can be changed into a prime (30121222312003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105319228 + ... + 105604839.

It is an arithmetic number, because the mean of its divisors is an integer number (3765310999902).

Almost surely, 2^{30121222312002} is an apocalyptic number.

30121222312002 is an abundant number, since it is smaller than the sum of its proper divisors (30123753686430).

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

30121222312002 is a wasteful number, since it uses less digits than its factorization.

30121222312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210947873.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30121222312002 its reverse (20021322212103), we get a palindrome (50142544524105).

The spelling of 30121222312002 in words is "thirty trillion, one hundred twenty-one billion, two hundred twenty-two million, three hundred twelve thousand, two".