212321132001 has 96 divisors (see below), whose sum is σ = 364955849856. Its totient is φ = 117469440000.

The previous prime is 212321131993. The next prime is 212321132011. The reversal of 212321132001 is 100231123212.

212321132001 is a `hidden beast` number, since 21 + 2 + 321 + 1 + 320 + 0 + 1 = 666.

It is not a de Polignac number, because 212321132001 - 2³ = 212321131993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212321132011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20606551 + ... + 20616851.

It is an arithmetic number, because the mean of its divisors is an integer number (3801623436).

Almost surely, 2^212321132001 is an apocalyptic number.

It is an amenable number.

212321132001 is a deficient number, since it is larger than the sum of its proper divisors (152634717855).

212321132001 is a wasteful number, since it uses less digits than its factorization.

212321132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703 (or 10700 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212321132001 its reverse (100231123212), we get a palindrome (312552255213).

The spelling of 212321132001 in words is "two hundred twelve billion, three hundred twenty-one million, one hundred thirty-two thousand, one".