213330132012 has 12 divisors (see below), whose sum is σ = 497770308056. Its totient is φ = 71110044000.

The previous prime is 213330132011. The next prime is 213330132089. The reversal of 213330132012 is 210231033312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 213330132012.

It is not an unprimeable number, because it can be changed into a prime (213330132011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8888755489 + ... + 8888755512.

Almost surely, 2^213330132012 is an apocalyptic number.

It is an amenable number.

213330132012 is an abundant number, since it is smaller than the sum of its proper divisors (284440176044).

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

213330132012 is a wasteful number, since it uses less digits than its factorization.

213330132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777511008 (or 17777511006 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213330132012 its reverse (210231033312), we get a palindrome (423561165324).

The spelling of 213330132012 in words is "two hundred thirteen billion, three hundred thirty million, one hundred thirty-two thousand, twelve".