1312232222002 has 16 divisors (see below), whose sum is σ = 2244451493592. Its totient is φ = 570019426560.

The previous prime is 1312232221997. The next prime is 1312232222009. The reversal of 1312232222002 is 2002222322131.

It can be written as a sum of positive squares in 4 ways, for example, as 940960140961 + 371272081041 = 970031^2 + 609321^2 .

It is not an unprimeable number, because it can be changed into a prime (1312232222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484425149 + ... + 1484426032.

Almost surely, 2^{1312232222002} is an apocalyptic number.

1312232222002 is a deficient number, since it is larger than the sum of its proper divisors (932219271590).

1312232222002 is a wasteful number, since it uses less digits than its factorization.

1312232222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968851213.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1312232222002 its reverse (2002222322131), we get a palindrome (3314454544133).

The spelling of 1312232222002 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, two hundred twenty-two thousand, two".