122401244140 has 48 divisors (see below), whose sum is σ = 295734600000. Its totient is φ = 41684481792.

The previous prime is 122401244089. The next prime is 122401244149. The reversal of 122401244140 is 41442104221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122401244149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2913015 + ... + 2954734.

It is an arithmetic number, because the mean of its divisors is an integer number (6161137500).

Almost surely, 2^122401244140 is an apocalyptic number.

122401244140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122401244140 is an abundant number, since it is smaller than the sum of its proper divisors (173333355860).

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

122401244140 is a wasteful number, since it uses less digits than its factorization.

122401244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867914 (or 5867912 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 122401244140 its reverse (41442104221), we get a palindrome (163843348361).

The spelling of 122401244140 in words is "one hundred twenty-two billion, four hundred one million, two hundred forty-four thousand, one hundred forty".