30123322002 has 24 divisors (see below), whose sum is σ = 65392011984. Its totient is φ = 10021905144.

The previous prime is 30123321979. The next prime is 30123322003. The reversal of 30123322002 is 20022332103.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30123322003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590508 + ... + 1609335.

It is an arithmetic number, because the mean of its divisors is an integer number (2724667166).

Almost surely, 2^30123322002 is an apocalyptic number.

30123322002 is an abundant number, since it is smaller than the sum of its proper divisors (35268689982).

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

30123322002 is a wasteful number, since it uses less digits than its factorization.

30123322002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200374 (or 3200371 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30123322002 its reverse (20022332103), we get a palindrome (50145654105).

The spelling of 30123322002 in words is "thirty billion, one hundred twenty-three million, three hundred twenty-two thousand, two".