421312551112042 has 8 divisors (see below), whose sum is σ = 640625933882916. Its totient is φ = 207770573151072.

The previous prime is 421312551111961. The next prime is 421312551112043. The reversal of 421312551112042 is 240211155213124.

It can be written as a sum of positive squares in 2 ways, for example, as 420569901855601 + 742649256441 = 20507801^2 + 861771^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 421312551111989 and 421312551112007.

It is not an unprimeable number, because it can be changed into a prime (421312551112043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442851202293 + ... + 1442851202584.

Almost surely, 2^{421312551112042} is an apocalyptic number.

421312551112042 is a deficient number, since it is larger than the sum of its proper divisors (219313382770874).

421312551112042 is a wasteful number, since it uses less digits than its factorization.

421312551112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885702404952.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 421312551112042 in words is "four hundred twenty-one trillion, three hundred twelve billion, five hundred fifty-one million, one hundred twelve thousand, forty-two".