122246007420 has 24 divisors (see below), whose sum is σ = 342288820944. Its totient is φ = 32598935296.

The previous prime is 122246007379. The next prime is 122246007451. The reversal of 122246007420 is 24700642221.

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 7 ways as a sum of consecutive naturals, for example, 1018716669 + ... + 1018716788.

It is an arithmetic number, because the mean of its divisors is an integer number (14262034206).

Almost surely, 2^122246007420 is an apocalyptic number.

122246007420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122246007420 is an abundant number, since it is smaller than the sum of its proper divisors (220042813524).

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

122246007420 is a wasteful number, since it uses less digits than its factorization.

122246007420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037433469 (or 2037433467 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 122246007420 its reverse (24700642221), we get a palindrome (146946649641).

The spelling of 122246007420 in words is "one hundred twenty-two billion, two hundred forty-six million, seven thousand, four hundred twenty".