122143143320240 has 80 divisors (see below), whose sum is σ = 324563237748288. Its totient is φ = 41876170825728.

The previous prime is 122143143320173. The next prime is 122143143320243. The reversal of 122143143320240 is 42023341341221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 122143143320197 and 122143143320206.

It is not an unprimeable number, because it can be changed into a prime (122143143320243) 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, 12086924 + ... + 19758036.

Almost surely, 2^{122143143320240} is an apocalyptic number.

122143143320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122143143320240 is an abundant number, since it is smaller than the sum of its proper divisors (202420094428048).

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

122143143320240 is a wasteful number, since it uses less digits than its factorization.

122143143320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699566 (or 7699560 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 122143143320240 its reverse (42023341341221), we get a palindrome (164166484661461).

The spelling of 122143143320240 in words is "one hundred twenty-two trillion, one hundred forty-three billion, one hundred forty-three million, three hundred twenty thousand, two hundred forty".