1320201212 has 24 divisors (see below), whose sum is σ = 2522061360. Its totient is φ = 599692160.

The previous prime is 1320201167. The next prime is 1320201217. The reversal of 1320201212 is 2121020231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320201217) 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, 62864 + ... + 81192.

It is an arithmetic number, because the mean of its divisors is an integer number (105085890).

Almost surely, 2^1320201212 is an apocalyptic number.

It is an amenable number.

1320201212 is a deficient number, since it is larger than the sum of its proper divisors (1201860148).

1320201212 is a wasteful number, since it uses less digits than its factorization.

1320201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19981 (or 19979 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1320201212 is about 36334.5732326664. The cubic root of 1320201212 is about 1097.0170454777.

Adding to 1320201212 its reverse (2121020231), we get a palindrome (3441221443).

The spelling of 1320201212 in words is "one billion, three hundred twenty million, two hundred one thousand, two hundred twelve".