122143331040 has 96 divisors (see below), whose sum is σ = 387688726656. Its totient is φ = 32322900480.

The previous prime is 122143331039. The next prime is 122143331077. The reversal of 122143331040 is 40133341221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 122143331040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908362 + ... + 1034121.

It is an arithmetic number, because the mean of its divisors is an integer number (4038424236).

Almost surely, 2^122143331040 is an apocalyptic number.

122143331040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122143331040 is an abundant number, since it is smaller than the sum of its proper divisors (265545395616).

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

122143331040 is a wasteful number, since it uses less digits than its factorization.

122143331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942632 (or 1942624 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 122143331040 its reverse (40133341221), we get a palindrome (162276672261).

The spelling of 122143331040 in words is "one hundred twenty-two billion, one hundred forty-three million, three hundred thirty-one thousand, forty".