1230010002 has 128 divisors (see below), whose sum is σ = 3144960000. Its totient is φ = 353445120.

The previous prime is 1230009997. The next prime is 1230010007. The reversal of 1230010002 is 2000100321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230009997) and next prime (1230010007).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1230010007) 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 63 ways as a sum of consecutive naturals, for example, 630124 + ... + 632072.

It is an arithmetic number, because the mean of its divisors is an integer number (24570000).

Almost surely, 2^1230010002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230010002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572480000).

1230010002 is an abundant number, since it is smaller than the sum of its proper divisors (1914949998).

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

1230010002 is a wasteful number, since it uses less digits than its factorization.

1230010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1230010002 is about 35071.4984282109. The cubic root of 1230010002 is about 1071.4441738985. Note that the first 3 decimals are identical.

Adding to 1230010002 its reverse (2000100321), we get a palindrome (3230110323).

The spelling of 1230010002 in words is "one billion, two hundred thirty million, ten thousand, two".