30202321312122 has 32 divisors (see below), whose sum is σ = 60499193376384. Its totient is φ = 10051683576000.

The previous prime is 30202321312103. The next prime is 30202321312129. The reversal of 30202321312122 is 22121312320203.

It is a junction number, because it is equal to n+sod(n) for n = 30202321312092 and 30202321312101.

It is not an unprimeable number, because it can be changed into a prime (30202321312129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79594747 + ... + 79973297.

It is an arithmetic number, because the mean of its divisors is an integer number (1890599793012).

Almost surely, 2^{30202321312122} is an apocalyptic number.

30202321312122 is an abundant number, since it is smaller than the sum of its proper divisors (30296872064262).

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

30202321312122 is a wasteful number, since it uses less digits than its factorization.

30202321312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399334.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30202321312122 its reverse (22121312320203), we get a palindrome (52323633632325).

The spelling of 30202321312122 in words is "thirty trillion, two hundred two billion, three hundred twenty-one million, three hundred twelve thousand, one hundred twenty-two".