2147771012 has 12 divisors (see below), whose sum is σ = 3760577436. Its totient is φ = 1073320320.

The previous prime is 2147770969. The next prime is 2147771029. The reversal of 2147771012 is 2101777412.

It can be written as a sum of positive squares in 2 ways, for example, as 738969856 + 1408801156 = 27184^2 + 37534^2 .

It is a super-2 number, since 2×2147771012² = 9225840639975008288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147771012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132689 + ... + 147992.

It is an arithmetic number, because the mean of its divisors is an integer number (313381453).

Almost surely, 2^2147771012 is an apocalyptic number.

It is an amenable number.

2147771012 is a deficient number, since it is larger than the sum of its proper divisors (1612806424).

2147771012 is a wasteful number, since it uses less digits than its factorization.

2147771012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282598 (or 282596 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 2147771012 is about 46344.0504487901. The cubic root of 2147771012 is about 1290.2166997695.

The spelling of 2147771012 in words is "two billion, one hundred forty-seven million, seven hundred seventy-one thousand, twelve".