212320120307 has 4 divisors (see below), whose sum is σ = 212335714776. Its totient is φ = 212304525840.

The previous prime is 212320120301. The next prime is 212320120333. The reversal of 212320120307 is 703021023212.

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

It is a cyclic number.

It is not a de Polignac number, because 212320120307 - 2¹⁴ = 212320103923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212320120301) 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, 7776794 + ... + 7804047.

It is an arithmetic number, because the mean of its divisors is an integer number (53083928694).

Almost surely, 2^212320120307 is an apocalyptic number.

212320120307 is a deficient number, since it is larger than the sum of its proper divisors (15594469).

212320120307 is a wasteful number, since it uses less digits than its factorization.

212320120307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594468.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 212320120307 its reverse (703021023212), we get a palindrome (915341143519).

The spelling of 212320120307 in words is "two hundred twelve billion, three hundred twenty million, one hundred twenty thousand, three hundred seven".