122412504040 has 32 divisors (see below), whose sum is σ = 275439609000. Its totient is φ = 48962961664.

The previous prime is 122412504007. The next prime is 122412504077. The reversal of 122412504040 is 40405214221.

It can be written as a sum of positive squares in 4 ways, for example, as 121091472324 + 1321031716 = 347982^2 + 36346^2 .

It is a super-2 number, since 2×122412504040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122412503996 and 122412504014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235046 + ... + 1330474.

Almost surely, 2^122412504040 is an apocalyptic number.

122412504040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122412504040 is an abundant number, since it is smaller than the sum of its proper divisors (153027104960).

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

122412504040 is a wasteful number, since it uses less digits than its factorization.

122412504040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127509 (or 127505 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 122412504040 its reverse (40405214221), we get a palindrome (162817718261).

The spelling of 122412504040 in words is "one hundred twenty-two billion, four hundred twelve million, five hundred four thousand, forty".