1212853244 has 12 divisors (see below), whose sum is σ = 2151568944. Its totient is φ = 598119264.

The previous prime is 1212853241. The next prime is 1212853249. The reversal of 1212853244 is 4423582121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212853244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212853241) 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, 2076512 + ... + 2077095.

It is an arithmetic number, because the mean of its divisors is an integer number (179297412).

Almost surely, 2^1212853244 is an apocalyptic number.

It is an amenable number.

1212853244 is a deficient number, since it is larger than the sum of its proper divisors (938715700).

1212853244 is a wasteful number, since it uses less digits than its factorization.

1212853244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153684 (or 4153682 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 1212853244 is about 34826.0426118157. The cubic root of 1212853244 is about 1066.4391614190.

The spelling of 1212853244 in words is "one billion, two hundred twelve million, eight hundred fifty-three thousand, two hundred forty-four".