120405421866468 has 48 divisors (see below), whose sum is σ = 284667498541440. Its totient is φ = 39605288811264.

The previous prime is 120405421866409. The next prime is 120405421866469. The reversal of 120405421866468 is 864668124504021.

It is a happy number.

It is a super-2 number, since 2×120405421866468² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120405421866469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111529555 + ... + 112603962.

It is an arithmetic number, because the mean of its divisors is an integer number (5930572886280).

Almost surely, 2^{120405421866468} is an apocalyptic number.

It is an amenable number.

120405421866468 is an abundant number, since it is smaller than the sum of its proper divisors (164262076674972).

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

120405421866468 is a wasteful number, since it uses less digits than its factorization.

120405421866468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224134116 (or 224134114 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 120405421866468 in words is "one hundred twenty trillion, four hundred five billion, four hundred twenty-one million, eight hundred sixty-six thousand, four hundred sixty-eight".