3102220512 has 96 divisors (see below), whose sum is σ = 9060307200. Its totient is φ = 1032683904.

The previous prime is 3102220481. The next prime is 3102220523. The reversal of 3102220512 is 2150222013.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792063 + ... + 795969.

It is an arithmetic number, because the mean of its divisors is an integer number (94378200).

Almost surely, 2^3102220512 is an apocalyptic number.

3102220512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3102220512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4530153600).

3102220512 is an abundant number, since it is smaller than the sum of its proper divisors (5958086688).

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

3102220512 is a wasteful number, since it uses less digits than its factorization.

3102220512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3102220512 is about 55697.5808451319. The cubic root of 3102220512 is about 1458.4477955270.

Adding to 3102220512 its reverse (2150222013), we get a palindrome (5252442525).

The spelling of 3102220512 in words is "three billion, one hundred two million, two hundred twenty thousand, five hundred twelve".