122145336152 has 64 divisors (see below), whose sum is σ = 266812211520. Its totient is φ = 51334553088.

The previous prime is 122145336151. The next prime is 122145336163. The reversal of 122145336152 is 251633541221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145336151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6630218 + ... + 6648614.

It is an arithmetic number, because the mean of its divisors is an integer number (4168940805).

Almost surely, 2^122145336152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122145336152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133406105760).

122145336152 is an abundant number, since it is smaller than the sum of its proper divisors (144666875368).

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

122145336152 is a wasteful number, since it uses less digits than its factorization.

122145336152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700 (or 20696 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 122145336152 its reverse (251633541221), we get a palindrome (373778877373).

The spelling of 122145336152 in words is "one hundred twenty-two billion, one hundred forty-five million, three hundred thirty-six thousand, one hundred fifty-two".