1245226420426 has 24 divisors (see below), whose sum is σ = 2013264106560. Its totient is φ = 577294203816.

The previous prime is 1245226420411. The next prime is 1245226420429. The reversal of 1245226420426 is 6240246225421.

It is not an unprimeable number, because it can be changed into a prime (1245226420429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18313836 + ... + 18381703.

It is an arithmetic number, because the mean of its divisors is an integer number (83886004440).

Almost surely, 2^{1245226420426} is an apocalyptic number.

1245226420426 is a deficient number, since it is larger than the sum of its proper divisors (768037686134).

1245226420426 is a wasteful number, since it uses less digits than its factorization.

1245226420426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36695626 (or 36695607 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 1245226420426 in words is "one trillion, two hundred forty-five billion, two hundred twenty-six million, four hundred twenty thousand, four hundred twenty-six".