122420550105340 has 48 divisors (see below), whose sum is σ = 263454421073760. Its totient is φ = 47755561195520.

The previous prime is 122420550105289. The next prime is 122420550105379. The reversal of 122420550105340 is 43501055024221.

It is a happy number.

It is a super-2 number, since 2×122420550105340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122420550105296 and 122420550105305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26471842 + ... + 30750601.

It is an arithmetic number, because the mean of its divisors is an integer number (5488633772370).

Almost surely, 2^{122420550105340} is an apocalyptic number.

122420550105340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122420550105340 is an abundant number, since it is smaller than the sum of its proper divisors (141033870968420).

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

122420550105340 is a wasteful number, since it uses less digits than its factorization.

122420550105340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57225102 (or 57225100 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 122420550105340 in words is "one hundred twenty-two trillion, four hundred twenty billion, five hundred fifty million, one hundred five thousand, three hundred forty".