3501212520366 has 96 divisors (see below), whose sum is σ = 8511216569856. Its totient is φ = 1030971600000.

The previous prime is 3501212520349. The next prime is 3501212520367. The reversal of 3501212520366 is 6630252121053.

3501212520366 is a `hidden beast` number, since 3 + 5 + 0 + 121 + 2 + 520 + 3 + 6 + 6 = 666.

It is a super-2 number, since 2×3501212520366² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3501212520366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3501212520367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1178475 + ... + 2896761.

It is an arithmetic number, because the mean of its divisors is an integer number (88658505936).

Almost surely, 2^{3501212520366} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3501212520366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4255608284928).

3501212520366 is an abundant number, since it is smaller than the sum of its proper divisors (5010004049490).

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

3501212520366 is a wasteful number, since it uses less digits than its factorization.

3501212520366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718598 (or 1718595 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 3501212520366 in words is "three trillion, five hundred one billion, two hundred twelve million, five hundred twenty thousand, three hundred sixty-six".