1011212196 has 24 divisors (see below), whose sum is σ = 2383822560. Its totient is φ = 333595392.

The previous prime is 1011212177. The next prime is 1011212231. The reversal of 1011212196 is 6912121101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433206 + ... + 435533.

It is an arithmetic number, because the mean of its divisors is an integer number (99325940).

Almost surely, 2^1011212196 is an apocalyptic number.

It is an amenable number.

1011212196 is an abundant number, since it is smaller than the sum of its proper divisors (1372610364).

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

1011212196 is a wasteful number, since it uses less digits than its factorization.

1011212196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868843 (or 868841 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 1011212196 is about 31799.5628271836. The cubic root of 1011212196 is about 1003.7235168804.

Adding to 1011212196 its reverse (6912121101), we get a palindrome (7923333297).

The spelling of 1011212196 in words is "one billion, eleven million, two hundred twelve thousand, one hundred ninety-six".