1011231212 has 6 divisors (see below), whose sum is σ = 1769654628. Its totient is φ = 505615604.

The previous prime is 1011231197. The next prime is 1011231223. The reversal of 1011231212 is 2121321101.

1011231212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126403898 + ... + 126403905.

It is an arithmetic number, because the mean of its divisors is an integer number (294942438).

Almost surely, 2^1011231212 is an apocalyptic number.

It is an amenable number.

1011231212 is a deficient number, since it is larger than the sum of its proper divisors (758423416).

1011231212 is a wasteful number, since it uses less digits than its factorization.

1011231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252807807 (or 252807805 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1011231212 is about 31799.8618235992. The cubic root of 1011231212 is about 1003.7298085657.

Adding to 1011231212 its reverse (2121321101), we get a palindrome (3132552313).

The spelling of 1011231212 in words is "one billion, eleven million, two hundred thirty-one thousand, two hundred twelve".