1212442021341 has 6 divisors (see below), whose sum is σ = 1751305141950. Its totient is φ = 808294680888.

The previous prime is 1212442021337. The next prime is 1212442021367. The reversal of 1212442021341 is 1431202442121.

1212442021341 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 442 + 0 + 213 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1072423865241 + 140018156100 = 1035579^2 + 374190^2 .

It is not a de Polignac number, because 1212442021341 - 2² = 1212442021337 is a prime.

It is a super-2 number, since 2×1212442021341² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212442021381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67357890066 + ... + 67357890083.

It is an arithmetic number, because the mean of its divisors is an integer number (291884190325).

Almost surely, 2^{1212442021341} is an apocalyptic number.

It is an amenable number.

1212442021341 is a deficient number, since it is larger than the sum of its proper divisors (538863120609).

1212442021341 is a wasteful number, since it uses less digits than its factorization.

1212442021341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134715780155 (or 134715780152 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1212442021341 its reverse (1431202442121), we get a palindrome (2643644463462).

The spelling of 1212442021341 in words is "one trillion, two hundred twelve billion, four hundred forty-two million, twenty-one thousand, three hundred forty-one".