902021020012 has 24 divisors (see below), whose sum is σ = 1842425915904. Its totient is φ = 378355320912.

The previous prime is 902021019979. The next prime is 902021020027. The reversal of 902021020012 is 210020120209.

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 7 ways as a sum of consecutive naturals, for example, 342711838 + ... + 342714469.

It is an arithmetic number, because the mean of its divisors is an integer number (76767746496).

Almost surely, 2^902021020012 is an apocalyptic number.

It is an amenable number.

902021020012 is an abundant number, since it is smaller than the sum of its proper divisors (940404895892).

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

902021020012 is a wasteful number, since it uses less digits than its factorization.

902021020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685426365 (or 685426363 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 902021020012 in words is "nine hundred two billion, twenty-one million, twenty thousand, twelve".