1211356968 has 32 divisors (see below), whose sum is σ = 3031454400. Its totient is φ = 403377408.

The previous prime is 1211356967. The next prime is 1211356997. The reversal of 1211356968 is 8696531121.

It is not an unprimeable number, because it can be changed into a prime (1211356967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796 + ... + 49227.

It is an arithmetic number, because the mean of its divisors is an integer number (94732950).

Almost surely, 2^1211356968 is an apocalyptic number.

It is an amenable number.

1211356968 is an abundant number, since it is smaller than the sum of its proper divisors (1820097432).

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

1211356968 is a wasteful number, since it uses less digits than its factorization.

1211356968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51041 (or 51037 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 1211356968 is about 34804.5538399790. The cubic root of 1211356968 is about 1066.0004317894. Note that the first 3 decimals are identical.

The spelling of 1211356968 in words is "one billion, two hundred eleven million, three hundred fifty-six thousand, nine hundred sixty-eight".