1199020000 has 60 divisors (see below), whose sum is σ = 2949818256. Its totient is φ = 479600000.

The previous prime is 1199019989. The next prime is 1199020001. The reversal of 1199020000 is 209911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199020001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9976 + ... + 49975.

Almost surely, 2^1199020000 is an apocalyptic number.

1199020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199020000 is an abundant number, since it is smaller than the sum of its proper divisors (1750798256).

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

1199020000 is an frugal number, since it uses more digits than its factorization.

1199020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59981 (or 59958 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1199020000 is about 34626.8681806484. The cubic root of 1199020000 is about 1062.3692111214.

Adding to 1199020000 its reverse (209911), we get a palindrome (1199229911).

The spelling of 1199020000 in words is "one billion, one hundred ninety-nine million, twenty thousand".