900042121412 has 12 divisors (see below), whose sum is σ = 1800084242880. Its totient is φ = 385732337736.

The previous prime is 900042121397. The next prime is 900042121439. The reversal of 900042121412 is 214121240009.

900042121412 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16072180712 + ... + 16072180767.

It is an arithmetic number, because the mean of its divisors is an integer number (150007020240).

Almost surely, 2^900042121412 is an apocalyptic number.

It is an amenable number.

900042121412 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.

900042121412 is a wasteful number, since it uses less digits than its factorization.

900042121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32144361490 (or 32144361488 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 900042121412 in words is "nine hundred billion, forty-two million, one hundred twenty-one thousand, four hundred twelve".