1243064426262 has 16 divisors (see below), whose sum is σ = 2486523614400. Its totient is φ = 414289015112.

The previous prime is 1243064426239. The next prime is 1243064426267. The reversal of 1243064426262 is 2626244603421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243064426267) 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, 16407468 + ... + 16483055.

It is an arithmetic number, because the mean of its divisors is an integer number (155407725900).

Almost surely, 2^{1243064426262} is an apocalyptic number.

1243064426262 is an abundant number, since it is smaller than the sum of its proper divisors (1243459188138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243064426262 is a wasteful number, since it uses less digits than its factorization.

1243064426262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32896827.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 1243064426262 in words is "one trillion, two hundred forty-three billion, sixty-four million, four hundred twenty-six thousand, two hundred sixty-two".