2771202012 has 48 divisors (see below), whose sum is σ = 6757696512. Its totient is φ = 882207040.

The previous prime is 2771201999. The next prime is 2771202019. The reversal of 2771202012 is 2102021772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771202019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179437 + ... + 194267.

It is an arithmetic number, because the mean of its divisors is an integer number (140785344).

Almost surely, 2^2771202012 is an apocalyptic number.

It is an amenable number.

2771202012 is an abundant number, since it is smaller than the sum of its proper divisors (3986494500).

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

2771202012 is a wasteful number, since it uses less digits than its factorization.

2771202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15538 (or 15536 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 2771202012 is about 52642.2075145030. The cubic root of 2771202012 is about 1404.6109892572.

Adding to 2771202012 its reverse (2102021772), we get a palindrome (4873223784).

The spelling of 2771202012 in words is "two billion, seven hundred seventy-one million, two hundred two thousand, twelve".