122445424203520 has 72 divisors (see below), whose sum is σ = 319958242032240. Its totient is φ = 44525608796160.

The previous prime is 122445424203481. The next prime is 122445424203533. The reversal of 122445424203520 is 25302424544221.

It is a super-2 number, since 2×122445424203520² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 4348189905 + ... + 4348218064.

It is an arithmetic number, because the mean of its divisors is an integer number (4443864472670).

Almost surely, 2^{122445424203520} is an apocalyptic number.

122445424203520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122445424203520 is an abundant number, since it is smaller than the sum of its proper divisors (197512817828720).

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

122445424203520 is an equidigital number, since it uses as much as digits as its factorization.

122445424203520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696408001 (or 8696407987 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 122445424203520 its reverse (25302424544221), we get a palindrome (147747848747741).

The spelling of 122445424203520 in words is "one hundred twenty-two trillion, four hundred forty-five billion, four hundred twenty-four million, two hundred three thousand, five hundred twenty".