1011209996 has 24 divisors (see below), whose sum is σ = 1858345440. Its totient is φ = 480534912.

The previous prime is 1011209971. The next prime is 1011210023. The reversal of 1011209996 is 6999021101.

1011209996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20561 + ... + 49448.

It is an arithmetic number, because the mean of its divisors is an integer number (77431060).

Almost surely, 2^1011209996 is an apocalyptic number.

It is an amenable number.

1011209996 is a deficient number, since it is larger than the sum of its proper divisors (847135444).

1011209996 is a wasteful number, since it uses less digits than its factorization.

1011209996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70193 (or 70191 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 38.

The square root of 1011209996 is about 31799.5282354943. The cubic root of 1011209996 is about 1003.7227889773.

The spelling of 1011209996 in words is "one billion, eleven million, two hundred nine thousand, nine hundred ninety-six".