7071345512220 has 96 divisors (see below), whose sum is σ = 21613190570496. Its totient is φ = 1713198572800.

The previous prime is 7071345512173. The next prime is 7071345512227. The reversal of 7071345512220 is 222155431707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7071345512227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2272971 + ... + 4394210.

It is an arithmetic number, because the mean of its divisors is an integer number (225137401776).

Almost surely, 2^{7071345512220} is an apocalyptic number.

It is an amenable number.

7071345512220 is an abundant number, since it is smaller than the sum of its proper divisors (14541845058276).

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

7071345512220 is a wasteful number, since it uses less digits than its factorization.

7071345512220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668811 (or 6668809 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

It can be divided in two parts, 7071345 and 512220, that added together give a triangular number (7583565 = T₃₈₉₄).

The spelling of 7071345512220 in words is "seven trillion, seventy-one billion, three hundred forty-five million, five hundred twelve thousand, two hundred twenty".