420122205612546 has 8 divisors (see below), whose sum is σ = 840244411225104. Its totient is φ = 140040735204180.

The previous prime is 420122205612521. The next prime is 420122205612607. The reversal of 420122205612546 is 645216502221024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

420122205612546 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 420122205612498 and 420122205612507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35010183801040 + ... + 35010183801051.

It is an arithmetic number, because the mean of its divisors is an integer number (105030551403138).

Almost surely, 2^{420122205612546} is an apocalyptic number.

420122205612546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420122205612546 is a wasteful number, since it uses less digits than its factorization.

420122205612546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70020367602096.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 420122205612546 in words is "four hundred twenty trillion, one hundred twenty-two billion, two hundred five million, six hundred twelve thousand, five hundred forty-six".