2012957956 has 9 divisors (see below), whose sum is σ = 3522833461. Its totient is φ = 1006434112.

The previous prime is 2012957951. The next prime is 2012957957. The reversal of 2012957956 is 6597592102.

The square root of 2012957956 is 44866.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1827562500 + 185395456 = 42750^2 + 13616^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012957951) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 78516 + ... + 100948.

Almost surely, 2^2012957956 is an apocalyptic number.

2012957956 is the 44866-th square number.

It is an amenable number.

2012957956 is a deficient number, since it is larger than the sum of its proper divisors (1509875505).

2012957956 is an frugal number, since it uses more digits than its factorization.

2012957956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44870 (or 22435 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The cubic root of 2012957956 is about 1262.6361947768.

The spelling of 2012957956 in words is "two billion, twelve million, nine hundred fifty-seven thousand, nine hundred fifty-six".