1201610000 has 100 divisors (see below), whose sum is σ = 2939021712. Its totient is φ = 475728000.

The previous prime is 1201609993. The next prime is 1201610009. The reversal of 1201610000 is 161021.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (1201610009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1069439 + ... + 1070561.

Almost surely, 2^1201610000 is an apocalyptic number.

1201610000 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 1201610000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469510856).

1201610000 is an abundant number, since it is smaller than the sum of its proper divisors (1737411712).

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

1201610000 is a wasteful number, since it uses less digits than its factorization.

1201610000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201610000 is about 34664.2467104075. The cubic root of 1201610000 is about 1063.1336013278.

Adding to 1201610000 its reverse (161021), we get a palindrome (1201771021).

The spelling of 1201610000 in words is "one billion, two hundred one million, six hundred ten thousand".