57081704212 has 24 divisors (see below), whose sum is σ = 111286614600. Its totient is φ = 25436939136.

The previous prime is 57081704201. The next prime is 57081704227. The reversal of 57081704212 is 21240718075.

57081704212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 511935876 + 56569768336 = 22626^2 + 237844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18924787 + ... + 18927802.

It is an arithmetic number, because the mean of its divisors is an integer number (4636942275).

Almost surely, 2^57081704212 is an apocalyptic number.

57081704212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57081704212 is a deficient number, since it is larger than the sum of its proper divisors (54204910388).

57081704212 is a wasteful number, since it uses less digits than its factorization.

57081704212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37852635 (or 37852633 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 57081704212 in words is "fifty-seven billion, eighty-one million, seven hundred four thousand, two hundred twelve".