1212143441342 has 32 divisors (see below), whose sum is σ = 1952892813312. Its totient is φ = 562918555584.

The previous prime is 1212143441303. The next prime is 1212143441363. The reversal of 1212143441342 is 2431443412121.

It is a junction number, because it is equal to n+sod(n) for n = 1212143441299 and 1212143441308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932743 + ... + 2481890.

It is an arithmetic number, because the mean of its divisors is an integer number (61027900416).

Almost surely, 2^{1212143441342} is an apocalyptic number.

1212143441342 is a deficient number, since it is larger than the sum of its proper divisors (740749371970).

1212143441342 is a wasteful number, since it uses less digits than its factorization.

1212143441342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414832.

The product of its digits is 18432, while the sum is 32.

Adding to 1212143441342 its reverse (2431443412121), we get a palindrome (3643586853463).

The spelling of 1212143441342 in words is "one trillion, two hundred twelve billion, one hundred forty-three million, four hundred forty-one thousand, three hundred forty-two".