1230222120 has 64 divisors (see below), whose sum is σ = 3695509440. Its totient is φ = 327628800.

The previous prime is 1230222113. The next prime is 1230222151. The reversal of 1230222120 is 212220321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230222120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91000 + ... + 103640.

It is an arithmetic number, because the mean of its divisors is an integer number (57742335).

Almost surely, 2^1230222120 is an apocalyptic number.

1230222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230222120 is an abundant number, since it is smaller than the sum of its proper divisors (2465287320).

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

1230222120 is a wasteful number, since it uses less digits than its factorization.

1230222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466 (or 13462 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1230222120 is about 35074.5223773610. The cubic root of 1230222120 is about 1071.5057613467.

Adding to 1230222120 its reverse (212220321), we get a palindrome (1442442441).

The spelling of 1230222120 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, one hundred twenty".