1312122061412 has 6 divisors (see below), whose sum is σ = 2296213607478. Its totient is φ = 656061030704.

The previous prime is 1312122061403. The next prime is 1312122061423. The reversal of 1312122061412 is 2141602212131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1307441312356 + 4680749056 = 1143434^2 + 68416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164015257673 + ... + 164015257680.

It is an arithmetic number, because the mean of its divisors is an integer number (382702267913).

Almost surely, 2^{1312122061412} is an apocalyptic number.

It is an amenable number.

1312122061412 is a deficient number, since it is larger than the sum of its proper divisors (984091546066).

1312122061412 is a wasteful number, since it uses less digits than its factorization.

1312122061412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328030515357 (or 328030515355 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 1312122061412 its reverse (2141602212131), we get a palindrome (3453724273543).

The spelling of 1312122061412 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, sixty-one thousand, four hundred twelve".