995221012 has 12 divisors (see below), whose sum is σ = 1757615860. Its totient is φ = 493045056.

The previous prime is 995221001. The next prime is 995221013. The reversal of 995221012 is 210122599.

It can be written as a sum of positive squares in 2 ways, for example, as 804062736 + 191158276 = 28356^2 + 13826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995221013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140873 + ... + 1141744.

Almost surely, 2^995221012 is an apocalyptic number.

It is an amenable number.

995221012 is a deficient number, since it is larger than the sum of its proper divisors (762394848).

995221012 is a wasteful number, since it uses less digits than its factorization.

995221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282730 (or 2282728 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 995221012 is about 31547.1236723730. The cubic root of 995221012 is about 998.4044596048.

The spelling of 995221012 in words is "nine hundred ninety-five million, two hundred twenty-one thousand, twelve".