60520012120040 has 32 divisors (see below), whose sum is σ = 148549120659360. Its totient is φ = 22007277134400.

The previous prime is 60520012119899. The next prime is 60520012120079. The reversal of 60520012120040 is 4002121002506.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 60520012119988 and 60520012120015.

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, 68772740606 + ... + 68772741485.

It is an arithmetic number, because the mean of its divisors is an integer number (4642160020605).

Almost surely, 2^{60520012120040} is an apocalyptic number.

It is an amenable number.

60520012120040 is an abundant number, since it is smaller than the sum of its proper divisors (88029108539320).

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

60520012120040 is a wasteful number, since it uses less digits than its factorization.

60520012120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137545482113 (or 137545482109 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 60520012120040 its reverse (4002121002506), we get a palindrome (64522133122546).

The spelling of 60520012120040 in words is "sixty trillion, five hundred twenty billion, twelve million, one hundred twenty thousand, forty".