3221012130 has 64 divisors (see below), whose sum is σ = 8915892480. Its totient is φ = 729471744.

The previous prime is 3221012101. The next prime is 3221012159. The reversal of 3221012130 is 312101223.

It is an interprime number because it is at equal distance from previous prime (3221012101) and next prime (3221012159).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47469 + ... + 93248.

It is an arithmetic number, because the mean of its divisors is an integer number (139310820).

Almost surely, 2^3221012130 is an apocalyptic number.

3221012130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221012130 is an abundant number, since it is smaller than the sum of its proper divisors (5694880350).

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

3221012130 is a wasteful number, since it uses less digits than its factorization.

3221012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140843.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3221012130 is about 56753.9613595386. The cubic root of 3221012130 is about 1476.8309550142.

Adding to 3221012130 its reverse (312101223), we get a palindrome (3533113353).

The spelling of 3221012130 in words is "three billion, two hundred twenty-one million, twelve thousand, one hundred thirty".