1201343212 has 24 divisors (see below), whose sum is σ = 2176221600. Its totient is φ = 579591936.

The previous prime is 1201343203. The next prime is 1201343219. The reversal of 1201343212 is 2123431021.

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 1201343212.

It is not an unprimeable number, because it can be changed into a prime (1201343219) 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, 306964 + ... + 310852.

It is an arithmetic number, because the mean of its divisors is an integer number (90675900).

Almost surely, 2^1201343212 is an apocalyptic number.

It is an amenable number.

1201343212 is a deficient number, since it is larger than the sum of its proper divisors (974878388).

1201343212 is a wasteful number, since it uses less digits than its factorization.

1201343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1201343212 is about 34660.3983243124. The cubic root of 1201343212 is about 1063.0549145989.

Adding to 1201343212 its reverse (2123431021), we get a palindrome (3324774233).

It can be divided in two parts, 12013 and 43212, that added together give a square (55225 = 235²).

The spelling of 1201343212 in words is "one billion, two hundred one million, three hundred forty-three thousand, two hundred twelve".