252212772052 has 12 divisors (see below), whose sum is σ = 442782488596. Its totient is φ = 125703489600.

The previous prime is 252212772047. The next prime is 252212772061. The reversal of 252212772052 is 250277212252.

It can be written as a sum of positive squares in 2 ways, for example, as 92223971856 + 159988800196 = 303684^2 + 399986^2 .

It is a super-2 number, since 2×252212772052² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100722699 + ... + 100725202.

Almost surely, 2^252212772052 is an apocalyptic number.

It is an amenable number.

252212772052 is a deficient number, since it is larger than the sum of its proper divisors (190569716544).

252212772052 is a wasteful number, since it uses less digits than its factorization.

252212772052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201448218 (or 201448216 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 252212772052 in words is "two hundred fifty-two billion, two hundred twelve million, seven hundred seventy-two thousand, fifty-two".