1230120010 has 24 divisors (see below), whose sum is σ = 2575721700. Its totient is φ = 421755264.

The previous prime is 1230119993. The next prime is 1230120013. The reversal of 1230120010 is 100210321.

It can be written as a sum of positive squares in 2 ways, for example, as 1219615929 + 10504081 = 34923^2 + 3241^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1230120013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254735 + ... + 1255714.

Almost surely, 2^1230120010 is an apocalyptic number.

1230120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230120010 is an abundant number, since it is smaller than the sum of its proper divisors (1345601690).

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

1230120010 is a wasteful number, since it uses less digits than its factorization.

1230120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510470 (or 2510463 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1230120010 is about 35073.0667321807. The cubic root of 1230120010 is about 1071.4761150797.

Adding to 1230120010 its reverse (100210321), we get a palindrome (1330330331).

The spelling of 1230120010 in words is "one billion, two hundred thirty million, one hundred twenty thousand, ten".