122020150077 has 24 divisors (see below), whose sum is σ = 201442537920. Its totient is φ = 69721490880.

The previous prime is 122020150033. The next prime is 122020150093. The reversal of 122020150077 is 770051020221.

It is not a de Polignac number, because 122020150077 - 2⁷ = 122020149949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122020150077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020650077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165002 + ... + 1265412.

It is an arithmetic number, because the mean of its divisors is an integer number (8393439080).

Almost surely, 2^122020150077 is an apocalyptic number.

It is an amenable number.

122020150077 is a deficient number, since it is larger than the sum of its proper divisors (79422387843).

122020150077 is a wasteful number, since it uses less digits than its factorization.

122020150077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119713 (or 119710 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

Adding to 122020150077 its reverse (770051020221), we get a palindrome (892071170298).

The spelling of 122020150077 in words is "one hundred twenty-two billion, twenty million, one hundred fifty thousand, seventy-seven".