122121341041240 has 32 divisors (see below), whose sum is σ = 284247948978000. Its totient is φ = 47164104125824.

The previous prime is 122121341041223. The next prime is 122121341041241. The reversal of 122121341041240 is 42140143121221.

It is a junction number, because it is equal to n+sod(n) for n = 122121341041199 and 122121341041208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121341041241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52638507910 + ... + 52638510229.

Almost surely, 2^{122121341041240} is an apocalyptic number.

122121341041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122121341041240 is an abundant number, since it is smaller than the sum of its proper divisors (162126607936760).

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

122121341041240 is a wasteful number, since it uses less digits than its factorization.

122121341041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105277018179 (or 105277018175 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 122121341041240 its reverse (42140143121221), we get a palindrome (164261484162461).

The spelling of 122121341041240 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, three hundred forty-one million, forty-one thousand, two hundred forty".