1057020212 has 12 divisors (see below), whose sum is σ = 1863288420. Its totient is φ = 524652096.

The previous prime is 1057020191. The next prime is 1057020227. The reversal of 1057020212 is 2120207501.

It can be written as a sum of positive squares in 2 ways, for example, as 262569616 + 794450596 = 16204^2 + 28186^2 .

It is a super-2 number, since 2×1057020212² = 2234583457153049888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963887 + ... + 964982.

It is an arithmetic number, because the mean of its divisors is an integer number (155274035).

Almost surely, 2^1057020212 is an apocalyptic number.

It is an amenable number.

1057020212 is a deficient number, since it is larger than the sum of its proper divisors (806268208).

1057020212 is a wasteful number, since it uses less digits than its factorization.

1057020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929010 (or 1929008 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1057020212 is about 32511.8472560388. The cubic root of 1057020212 is about 1018.6565075004.

Adding to 1057020212 its reverse (2120207501), we get a palindrome (3177227713).

The spelling of 1057020212 in words is "one billion, fifty-seven million, twenty thousand, two hundred twelve".