1312242243026 has 64 divisors (see below), whose sum is σ = 2453422608000. Its totient is φ = 517163996160.

The previous prime is 1312242243019. The next prime is 1312242243061. The reversal of 1312242243026 is 6203422422131.

It is a junction number, because it is equal to n+sod(n) for n = 1312242242983 and 1312242243001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2155700 + ... + 2696576.

It is an arithmetic number, because the mean of its divisors is an integer number (38334728250).

Almost surely, 2^{1312242243026} is an apocalyptic number.

1312242243026 is a deficient number, since it is larger than the sum of its proper divisors (1141180364974).

1312242243026 is a wasteful number, since it uses less digits than its factorization.

1312242243026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541419.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1312242243026 its reverse (6203422422131), we get a palindrome (7515664665157).

The spelling of 1312242243026 in words is "one trillion, three hundred twelve billion, two hundred forty-two million, two hundred forty-three thousand, twenty-six".