1213332000 has 96 divisors (see below), whose sum is σ = 3974914944. Its totient is φ = 323552000.

The previous prime is 1213331947. The next prime is 1213332013. The reversal of 1213332000 is 2333121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 38556 + ... + 62555.

It is an arithmetic number, because the mean of its divisors is an integer number (41405364).

Almost surely, 2^1213332000 is an apocalyptic number.

1213332000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213332000 is an abundant number, since it is smaller than the sum of its proper divisors (2761582944).

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

1213332000 is a wasteful number, since it uses less digits than its factorization.

1213332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101139 (or 101121 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1213332000 is about 34832.9154679880. The cubic root of 1213332000 is about 1066.5794633572.

Adding to 1213332000 its reverse (2333121), we get a palindrome (1215665121).

The spelling of 1213332000 in words is "one billion, two hundred thirteen million, three hundred thirty-two thousand".