1213035200 has 168 divisors, whose sum is σ = 3326922480. Its totient is φ = 432230400.

The previous prime is 1213035199. The next prime is 1213035209. The reversal of 1213035200 is 25303121.

It is not an unprimeable number, because it can be changed into a prime (1213035209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602195 + ... + 604205.

It is an arithmetic number, because the mean of its divisors is an integer number (19803110).

Almost surely, 2^1213035200 is an apocalyptic number.

1213035200 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 1213035200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663461240).

1213035200 is an abundant number, since it is smaller than the sum of its proper divisors (2113887280).

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

1213035200 is a wasteful number, since it uses less digits than its factorization.

1213035200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1213035200 is about 34828.6548692309. The cubic root of 1213035200 is about 1066.4924889209.

Adding to 1213035200 its reverse (25303121), we get a palindrome (1238338321).

The spelling of 1213035200 in words is "one billion, two hundred thirteen million, thirty-five thousand, two hundred".