902128012 has 12 divisors (see below), whose sum is σ = 1590248520. Its totient is φ = 447771296.

The previous prime is 902128009. The next prime is 902128013. The reversal of 902128012 is 210821209.

It is not an unprimeable number, because it can be changed into a prime (902128013) 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, 822562 + ... + 823657.

It is an arithmetic number, because the mean of its divisors is an integer number (132520710).

Almost surely, 2^902128012 is an apocalyptic number.

It is an amenable number.

902128012 is a deficient number, since it is larger than the sum of its proper divisors (688120508).

902128012 is a wasteful number, since it uses less digits than its factorization.

902128012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646360 (or 1646358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 902128012 is about 30035.4459264383. The cubic root of 902128012 is about 966.2497386068.

It can be divided in two parts, 9021 and 28012, that multiplied together give a palindrome (252696252).

The spelling of 902128012 in words is "nine hundred two million, one hundred twenty-eight thousand, twelve".