352021852172 has 24 divisors (see below), whose sum is σ = 617690389680. Its totient is φ = 175539292160.

The previous prime is 352021852163. The next prime is 352021852187. The reversal of 352021852172 is 271258120253.

It is a happy number.

It is a super-3 number, since 3×352021852172³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3478772 + ... + 3578532.

It is an arithmetic number, because the mean of its divisors is an integer number (25737099570).

Almost surely, 2^352021852172 is an apocalyptic number.

It is an amenable number.

352021852172 is a deficient number, since it is larger than the sum of its proper divisors (265668537508).

352021852172 is a wasteful number, since it uses less digits than its factorization.

352021852172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102121 (or 102119 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 352021852172 in words is "three hundred fifty-two billion, twenty-one million, eight hundred fifty-two thousand, one hundred seventy-two".