122040421244 has 24 divisors (see below), whose sum is σ = 248217809280. Its totient is φ = 51416544816.

The previous prime is 122040421241. The next prime is 122040421259. The reversal of 122040421244 is 442124040221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040421241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36935522 + ... + 36938825.

It is an arithmetic number, because the mean of its divisors is an integer number (10342408720).

Almost surely, 2^122040421244 is an apocalyptic number.

122040421244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122040421244 is an abundant number, since it is smaller than the sum of its proper divisors (126177388036).

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

122040421244 is a wasteful number, since it uses less digits than its factorization.

122040421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73874417 (or 73874415 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 122040421244 its reverse (442124040221), we get a palindrome (564164461465).

The spelling of 122040421244 in words is "one hundred twenty-two billion, forty million, four hundred twenty-one thousand, two hundred forty-four".