1230022100 has 36 divisors (see below), whose sum is σ = 2702952000. Its totient is φ = 485777760.

The previous prime is 1230022093. The next prime is 1230022103. The reversal of 1230022100 is 12200321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69950 + ... + 85749.

It is an arithmetic number, because the mean of its divisors is an integer number (75082000).

Almost surely, 2^1230022100 is an apocalyptic number.

1230022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230022100 is an abundant number, since it is smaller than the sum of its proper divisors (1472929900).

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

1230022100 is a wasteful number, since it uses less digits than its factorization.

1230022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155792 (or 155785 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1230022100 is about 35071.6709040217. The cubic root of 1230022100 is about 1071.4476866854.

Adding to 1230022100 its reverse (12200321), we get a palindrome (1242222421).

The spelling of 1230022100 in words is "one billion, two hundred thirty million, twenty-two thousand, one hundred".