122313215405420 has 24 divisors (see below), whose sum is σ = 276616040994384. Its totient is φ = 45161802611136.

The previous prime is 122313215405419. The next prime is 122313215405477. The reversal of 122313215405420 is 24504512313221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235217721674 + ... + 235217722193.

It is an arithmetic number, because the mean of its divisors is an integer number (11525668374766).

Almost surely, 2^{122313215405420} is an apocalyptic number.

122313215405420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313215405420 is an abundant number, since it is smaller than the sum of its proper divisors (154302825588964).

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

122313215405420 is a wasteful number, since it uses less digits than its factorization.

122313215405420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470435443889 (or 470435443887 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 122313215405420 its reverse (24504512313221), we get a palindrome (146817727718641).

The spelling of 122313215405420 in words is "one hundred twenty-two trillion, three hundred thirteen billion, two hundred fifteen million, four hundred five thousand, four hundred twenty".