1071213212 has 12 divisors (see below), whose sum is σ = 1875007680. Its totient is φ = 535496736.

The previous prime is 1071213203. The next prime is 1071213229. The reversal of 1071213212 is 2123121701.

It is a super-2 number, since 2×1071213212² = 2294995491126713888, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3137 + ... + 46392.

It is an arithmetic number, because the mean of its divisors is an integer number (156250640).

Almost surely, 2^1071213212 is an apocalyptic number.

It is an amenable number.

1071213212 is a deficient number, since it is larger than the sum of its proper divisors (803794468).

1071213212 is a wasteful number, since it uses less digits than its factorization.

1071213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54940 (or 54938 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1071213212 is about 32729.3937004644. The cubic root of 1071213212 is about 1023.1955440769.

Adding to 1071213212 its reverse (2123121701), we get a palindrome (3194334913).

The spelling of 1071213212 in words is "one billion, seventy-one million, two hundred thirteen thousand, two hundred twelve".