3930216261072 has 120 divisors (see below), whose sum is σ = 10714363486848. Its totient is φ = 1240836295680.

The previous prime is 3930216261071. The next prime is 3930216261073. The reversal of 3930216261072 is 2701626120393.

It is an interprime number because it is at equal distance from previous prime (3930216261071) and next prime (3930216261073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930216261071) 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 23 ways as a sum of consecutive naturals, for example, 1261608 + ... + 3074424.

Almost surely, 2^{3930216261072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3930216261072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5357181743424).

3930216261072 is an abundant number, since it is smaller than the sum of its proper divisors (6784147225776).

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

3930216261072 is a wasteful number, since it uses less digits than its factorization.

3930216261072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812937 (or 1812900 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 3930216261072 in words is "three trillion, nine hundred thirty billion, two hundred sixteen million, two hundred sixty-one thousand, seventy-two".