1230180000 has 480 divisors, whose sum is σ = 4817957760. Its totient is φ = 268800000.

The previous prime is 1230179989. The next prime is 1230180059. The reversal of 1230180000 is 810321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12179950 + ... + 12180050.

It is an arithmetic number, because the mean of its divisors is an integer number (10037412).

Almost surely, 2^1230180000 is an apocalyptic number.

1230180000 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 1230180000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408978880).

1230180000 is an abundant number, since it is smaller than the sum of its proper divisors (3587777760).

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

1230180000 is a wasteful number, since it uses less digits than its factorization.

1230180000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1230180000 is about 35073.9219363903. The cubic root of 1230180000 is about 1071.4935325692.

Adding to 1230180000 its reverse (810321), we get a palindrome (1230990321).

The spelling of 1230180000 in words is "one billion, two hundred thirty million, one hundred eighty thousand".