1212444424131 has 16 divisors (see below), whose sum is σ = 1711790205984. Its totient is φ = 760703238144.

The previous prime is 1212444424129. The next prime is 1212444424159. The reversal of 1212444424131 is 1314244442121.

It is not a de Polignac number, because 1212444424131 - 2¹ = 1212444424129 is a prime.

It is a super-2 number, since 2×1212444424131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212444424092 and 1212444424101.

It is not an unprimeable number, because it can be changed into a prime (1212444424111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135891 + ... + 1563123.

It is an arithmetic number, because the mean of its divisors is an integer number (106986887874).

Almost surely, 2^{1212444424131} is an apocalyptic number.

1212444424131 is a deficient number, since it is larger than the sum of its proper divisors (499345781853).

1212444424131 is a wasteful number, since it uses less digits than its factorization.

1212444424131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443910.

The product of its digits is 24576, while the sum is 33.

Adding to 1212444424131 its reverse (1314244442121), we get a palindrome (2526688866252).

The spelling of 1212444424131 in words is "one trillion, two hundred twelve billion, four hundred forty-four million, four hundred twenty-four thousand, one hundred thirty-one".