122313215512040 has 128 divisors (see below), whose sum is σ = 337711291200000. Its totient is φ = 38913234984960.

The previous prime is 122313215512031. The next prime is 122313215512049. The reversal of 122313215512040 is 40215512313221.

It is an interprime number because it is at equal distance from previous prime (122313215512031) and next prime (122313215512049).

It is a junction number, because it is equal to n+sod(n) for n = 122313215511988 and 122313215512006.

It is not an unprimeable number, because it can be changed into a prime (122313215512049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180620165 + ... + 181296084.

It is an arithmetic number, because the mean of its divisors is an integer number (2638369462500).

Almost surely, 2^{122313215512040} is an apocalyptic number.

122313215512040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313215512040 is an abundant number, since it is smaller than the sum of its proper divisors (215398075687960).

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

122313215512040 is a wasteful number, since it uses less digits than its factorization.

122313215512040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361916355 (or 361916351 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 122313215512040 its reverse (40215512313221), we get a palindrome (162528727825261).

The spelling of 122313215512040 in words is "one hundred twenty-two trillion, three hundred thirteen billion, two hundred fifteen million, five hundred twelve thousand, forty".