1061321212 has 12 divisors (see below), whose sum is σ = 2122642480. Its totient is φ = 454851936.

The previous prime is 1061321201. The next prime is 1061321221. The reversal of 1061321212 is 2121231601.

1061321212 is an admirable number.

It is a super-2 number, since 2×1061321212² = 2252805430082297888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061321212.

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, 18952137 + ... + 18952192.

Almost surely, 2^1061321212 is an apocalyptic number.

It is an amenable number.

1061321212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061321212 is a wasteful number, since it uses less digits than its factorization.

1061321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37904340 (or 37904338 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1061321212 is about 32577.9252255266. The cubic root of 1061321212 is about 1020.0362706569.

Adding to 1061321212 its reverse (2121231601), we get a palindrome (3182552813).

The spelling of 1061321212 in words is "one billion, sixty-one million, three hundred twenty-one thousand, two hundred twelve".