212165360263560 has 128 divisors (see below), whose sum is σ = 718302787228800. Its totient is φ = 49660439592960.

The previous prime is 212165360263559. The next prime is 212165360263631. The reversal of 212165360263560 is 65362063561212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2771191609 + ... + 2771268168.

It is an arithmetic number, because the mean of its divisors is an integer number (5611740525225).

Almost surely, 2^{212165360263560} is an apocalyptic number.

212165360263560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212165360263560 is an abundant number, since it is smaller than the sum of its proper divisors (506137426965240).

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

212165360263560 is a wasteful number, since it uses less digits than its factorization.

212165360263560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542459831 (or 5542459827 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 212165360263560 in words is "two hundred twelve trillion, one hundred sixty-five billion, three hundred sixty million, two hundred sixty-three thousand, five hundred sixty".