122030139168 has 480 divisors, whose sum is σ = 421969274496. Its totient is φ = 33874993152.

The previous prime is 122030139139. The next prime is 122030139169. The reversal of 122030139168 is 861931030221.

122030139168 is a `hidden beast` number, since 1 + 2 + 203 + 0 + 1 + 391 + 68 = 666.

It is a super-2 number, since 2×122030139168² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (122030139169) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 108663855 + ... + 108664977.

Almost surely, 2^122030139168 is an apocalyptic number.

122030139168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122030139168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210984637248).

122030139168 is an abundant number, since it is smaller than the sum of its proper divisors (299939135328).

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

122030139168 is a wasteful number, since it uses less digits than its factorization.

122030139168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 122030139168 its reverse (861931030221), we get a palindrome (983961169389).

The spelling of 122030139168 in words is "one hundred twenty-two billion, thirty million, one hundred thirty-nine thousand, one hundred sixty-eight".