122621371206 has 16 divisors (see below), whose sum is σ = 246196997424. Its totient is φ = 40714747904.

The previous prime is 122621371199. The next prime is 122621371207. The reversal of 122621371206 is 602173126221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621371207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39758955 + ... + 39762038.

It is an arithmetic number, because the mean of its divisors is an integer number (15387312339).

Almost surely, 2^122621371206 is an apocalyptic number.

122621371206 is an abundant number, since it is smaller than the sum of its proper divisors (123575626218).

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

122621371206 is a wasteful number, since it uses less digits than its factorization.

122621371206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79521255.

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 122621371206 its reverse (602173126221), we get a palindrome (724794497427).

The spelling of 122621371206 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred seventy-one thousand, two hundred six".