1245402201442 has 288 divisors, whose sum is σ = 2469710865600. Its totient is φ = 468707162112.

The previous prime is 1245402201437. The next prime is 1245402201457. The reversal of 1245402201442 is 2441022045421.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6321838488 + ... + 6321838684.

It is an arithmetic number, because the mean of its divisors is an integer number (8575384950).

Almost surely, 2^{1245402201442} is an apocalyptic number.

1245402201442 is a deficient number, since it is larger than the sum of its proper divisors (1224308664158).

1245402201442 is a wasteful number, since it uses less digits than its factorization.

1245402201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 1245402201442 its reverse (2441022045421), we get a palindrome (3686424246863).

The spelling of 1245402201442 in words is "one trillion, two hundred forty-five billion, four hundred two million, two hundred one thousand, four hundred forty-two".