20121414244 has 6 divisors (see below), whose sum is σ = 35212474934. Its totient is φ = 10060707120.

The previous prime is 20121414239. The next prime is 20121414293. The reversal of 20121414244 is 44241412102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18900750400 + 1220663844 = 137480^2 + 34938^2 .

It is a super-2 number, since 2×20121414244² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515176777 + ... + 2515176784.

Almost surely, 2^20121414244 is an apocalyptic number.

It is an amenable number.

20121414244 is a deficient number, since it is larger than the sum of its proper divisors (15091060690).

20121414244 is a wasteful number, since it uses less digits than its factorization.

20121414244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030353565 (or 5030353563 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 20121414244 its reverse (44241412102), we get a palindrome (64362826346).

The spelling of 20121414244 in words is "twenty billion, one hundred twenty-one million, four hundred fourteen thousand, two hundred forty-four".