12444300212 has 6 divisors (see below), whose sum is σ = 21777525378. Its totient is φ = 6222150104.

The previous prime is 12444300199. The next prime is 12444300223. The reversal of 12444300212 is 21200344421.

It can be written as a sum of positive squares in only one way, i.e., 11699883556 + 744416656 = 108166^2 + 27284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555537523 + ... + 1555537530.

It is an arithmetic number, because the mean of its divisors is an integer number (3629587563).

Almost surely, 2^12444300212 is an apocalyptic number.

It is an amenable number.

12444300212 is a deficient number, since it is larger than the sum of its proper divisors (9333225166).

12444300212 is a wasteful number, since it uses less digits than its factorization.

12444300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111075057 (or 3111075055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12444300212 its reverse (21200344421), we get a palindrome (33644644633).

The spelling of 12444300212 in words is "twelve billion, four hundred forty-four million, three hundred thousand, two hundred twelve".