57067220212 has 24 divisors (see below), whose sum is σ = 101778001416. Its totient is φ = 27988067328.

The previous prime is 57067220207. The next prime is 57067220227. The reversal of 57067220212 is 21202276075.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 253637476 + 56813582736 = 15926^2 + 238356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848028 + ... + 912844.

It is an arithmetic number, because the mean of its divisors is an integer number (4240750059).

Almost surely, 2^57067220212 is an apocalyptic number.

It is an amenable number.

57067220212 is a deficient number, since it is larger than the sum of its proper divisors (44710781204).

57067220212 is a wasteful number, since it uses less digits than its factorization.

57067220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69027 (or 69025 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 57067220212 its reverse (21202276075), we get a palindrome (78269496287).

The spelling of 57067220212 in words is "fifty-seven billion, sixty-seven million, two hundred twenty thousand, two hundred twelve".