122311112040540 has 72 divisors (see below), whose sum is σ = 371011740682128. Its totient is φ = 32616176325120.

The previous prime is 122311112040529. The next prime is 122311112040587. The reversal of 122311112040540 is 45040211113221.

122311112040540 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 1 + 1 + 112 + 0 + 4 + 0 + 540 = 666.

122311112040540 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54625284 + ... + 56820276.

Almost surely, 2^{122311112040540} is an apocalyptic number.

122311112040540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122311112040540 is an abundant number, since it is smaller than the sum of its proper divisors (248700628641588).

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

122311112040540 is a wasteful number, since it uses less digits than its factorization.

122311112040540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504579 (or 2504574 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 122311112040540 its reverse (45040211113221), we get a palindrome (167351323153761).

The spelling of 122311112040540 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred twelve million, forty thousand, five hundred forty".