902121303212 has 12 divisors (see below), whose sum is σ = 1597732911096. Its totient is φ = 445626185760.

The previous prime is 902121303199. The next prime is 902121303217. The reversal of 902121303212 is 212303121209.

It is not an unprimeable number, because it can be changed into a prime (902121303217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358616089 + ... + 1358616752.

It is an arithmetic number, because the mean of its divisors is an integer number (133144409258).

Almost surely, 2^902121303212 is an apocalyptic number.

It is an amenable number.

902121303212 is a deficient number, since it is larger than the sum of its proper divisors (695611607884).

902121303212 is a wasteful number, since it uses less digits than its factorization.

902121303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717232928 (or 2717232926 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 902121303212 in words is "nine hundred two billion, one hundred twenty-one million, three hundred three thousand, two hundred twelve".