122997510240 has 96 divisors (see below), whose sum is σ = 422664189696. Its totient is φ = 29817576960.

The previous prime is 122997510227. The next prime is 122997510263. The reversal of 122997510240 is 42015799221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122997510192 and 122997510201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11642212 + ... + 11652771.

It is an arithmetic number, because the mean of its divisors is an integer number (4402751976).

Almost surely, 2^122997510240 is an apocalyptic number.

122997510240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122997510240 is an abundant number, since it is smaller than the sum of its proper divisors (299666679456).

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

122997510240 is a wasteful number, since it uses less digits than its factorization.

122997510240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23295012 (or 23295004 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 122997510240 in words is "one hundred twenty-two billion, nine hundred ninety-seven million, five hundred ten thousand, two hundred forty".