1332321012 has 72 divisors (see below), whose sum is σ = 3773314272. Its totient is φ = 392817600.

The previous prime is 1332320999. The next prime is 1332321031. The reversal of 1332321012 is 2101232331.

1332321012 is a `hidden beast` number, since 1 + 332 + 321 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30814 + ... + 60117.

Almost surely, 2^1332321012 is an apocalyptic number.

1332321012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1332321012 is an abundant number, since it is smaller than the sum of its proper divisors (2440993260).

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

1332321012 is a wasteful number, since it uses less digits than its factorization.

1332321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90989 (or 90984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1332321012 is about 36500.9727541609. The cubic root of 1332321012 is about 1100.3637948231.

Adding to 1332321012 its reverse (2101232331), we get a palindrome (3433553343).

The spelling of 1332321012 in words is "one billion, three hundred thirty-two million, three hundred twenty-one thousand, twelve".