30231223122 has 16 divisors (see below), whose sum is σ = 60486924960. Its totient is φ = 10072994592.

The previous prime is 30231223117. The next prime is 30231223123. The reversal of 30231223122 is 22132213203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30231223123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003872 + ... + 1033547.

It is an arithmetic number, because the mean of its divisors is an integer number (3780432810).

Almost surely, 2^30231223122 is an apocalyptic number.

30231223122 is an abundant number, since it is smaller than the sum of its proper divisors (30255701838).

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

30231223122 is a wasteful number, since it uses less digits than its factorization.

30231223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039897.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30231223122 its reverse (22132213203), we get a palindrome (52363436325).

The spelling of 30231223122 in words is "thirty billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty-two".