1230010100 has 144 divisors (see below), whose sum is σ = 3092052096. Its totient is φ = 420288000.

The previous prime is 1230010099. The next prime is 1230010109. The reversal of 1230010100 is 10100321.

It is a super-2 number, since 2×1230010100² = 3025849692204020000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230010109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1542902 + ... + 1543698.

It is an arithmetic number, because the mean of its divisors is an integer number (21472584).

Almost surely, 2^1230010100 is an apocalyptic number.

1230010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546026048).

1230010100 is an abundant number, since it is smaller than the sum of its proper divisors (1862041996).

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

1230010100 is a wasteful number, since it uses less digits than its factorization.

1230010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1230010100 is about 35071.4998253568. The cubic root of 1230010100 is about 1071.4442023540. Note that the first 3 decimals are identical.

Adding to 1230010100 its reverse (10100321), we get a palindrome (1240110421).

The spelling of 1230010100 in words is "one billion, two hundred thirty million, ten thousand, one hundred".