212134120001 has 4 divisors (see below), whose sum is σ = 213060470100. Its totient is φ = 211207769904.

The previous prime is 212134119991. The next prime is 212134120039. The reversal of 212134120001 is 100021431212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160159239601 + 51974880400 = 400199^2 + 227980^2 .

It is a cyclic number.

It is not a de Polignac number, because 212134120001 - 2²² = 212129925697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212134122001) 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, 463174706 + ... + 463175163.

It is an arithmetic number, because the mean of its divisors is an integer number (53265117525).

Almost surely, 2^212134120001 is an apocalyptic number.

It is an amenable number.

212134120001 is a deficient number, since it is larger than the sum of its proper divisors (926350099).

212134120001 is an equidigital number, since it uses as much as digits as its factorization.

212134120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926350098.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212134120001 its reverse (100021431212), we get a palindrome (312155551213).

The spelling of 212134120001 in words is "two hundred twelve billion, one hundred thirty-four million, one hundred twenty thousand, one".