1201312443422 has 96 divisors (see below), whose sum is σ = 2266249265280. Its totient is φ = 473388027840.

The previous prime is 1201312443413. The next prime is 1201312443473. The reversal of 1201312443422 is 2243442131021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397915829 + ... + 397918847.

It is an arithmetic number, because the mean of its divisors is an integer number (23606763180).

Almost surely, 2^{1201312443422} is an apocalyptic number.

1201312443422 is a deficient number, since it is larger than the sum of its proper divisors (1064936821858).

1201312443422 is a wasteful number, since it uses less digits than its factorization.

1201312443422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4159 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1201312443422 its reverse (2243442131021), we get a palindrome (3444754574443).

The spelling of 1201312443422 in words is "one trillion, two hundred one billion, three hundred twelve million, four hundred forty-three thousand, four hundred twenty-two".