1220211196 has 12 divisors (see below), whose sum is σ = 2137156000. Its totient is φ = 609595200.

The previous prime is 1220211191. The next prime is 1220211211. The reversal of 1220211196 is 6911120221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220211196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220211191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122196 + ... + 131803.

Almost surely, 2^1220211196 is an apocalyptic number.

It is an amenable number.

1220211196 is a deficient number, since it is larger than the sum of its proper divisors (916944804).

1220211196 is a wasteful number, since it uses less digits than its factorization.

1220211196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255204 (or 255202 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1220211196 is about 34931.5215242623. The cubic root of 1220211196 is about 1068.5913848440.

The spelling of 1220211196 in words is "one billion, two hundred twenty million, two hundred eleven thousand, one hundred ninety-six".