122423220534000 has 80 divisors (see below), whose sum is σ = 394692463020960. Its totient is φ = 32646192140800.

The previous prime is 122423220533963. The next prime is 122423220534067. The reversal of 122423220534000 is 435022324221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10201929045 + ... + 10201941044.

It is an arithmetic number, because the mean of its divisors is an integer number (4933655787762).

Almost surely, 2^{122423220534000} is an apocalyptic number.

122423220534000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122423220534000 is an abundant number, since it is smaller than the sum of its proper divisors (272269242486960).

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

122423220534000 is a wasteful number, since it uses less digits than its factorization.

122423220534000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403870115 (or 20403870099 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 122423220534000 its reverse (435022324221), we get a palindrome (122858242858221).

The spelling of 122423220534000 in words is "one hundred twenty-two trillion, four hundred twenty-three billion, two hundred twenty million, five hundred thirty-four thousand".