902121303213 has 96 divisors (see below), whose sum is σ = 1482753254400. Its totient is φ = 541542770496.

The previous prime is 902121303199. The next prime is 902121303217. The reversal of 902121303213 is 312303121209.

902121303213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 902121303213 - 2⁴ = 902121303197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 180313570 + ... + 180318572.

It is an arithmetic number, because the mean of its divisors is an integer number (15445346400).

Almost surely, 2^902121303213 is an apocalyptic number.

It is an amenable number.

902121303213 is a deficient number, since it is larger than the sum of its proper divisors (580631951187).

902121303213 is a wasteful number, since it uses less digits than its factorization.

902121303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000 (or 5981 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 902121303213 in words is "nine hundred two billion, one hundred twenty-one million, three hundred three thousand, two hundred thirteen".