122112202007 has 4 divisors (see below), whose sum is σ = 122416721616. Its totient is φ = 121807682400.

The previous prime is 122112201923. The next prime is 122112202027. The reversal of 122112202007 is 700202211221.

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 122112202007 - 2¹⁰ = 122112200983 is a prime.

It is a super-2 number, since 2×122112202007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122112202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112202027) 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, 152259203 + ... + 152260004.

It is an arithmetic number, because the mean of its divisors is an integer number (30604180404).

Almost surely, 2^122112202007 is an apocalyptic number.

122112202007 is a deficient number, since it is larger than the sum of its proper divisors (304519609).

122112202007 is an equidigital number, since it uses as much as digits as its factorization.

122112202007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304519608.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 122112202007 its reverse (700202211221), we get a palindrome (822314413228).

The spelling of 122112202007 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred two thousand, seven".