1213454504242 has 16 divisors (see below), whose sum is σ = 1844517680640. Its totient is φ = 598626074592.

The previous prime is 1213454504239. The next prime is 1213454504329. The reversal of 1213454504242 is 2424054543121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2473723 + ... + 2923390.

It is an arithmetic number, because the mean of its divisors is an integer number (115282355040).

Almost surely, 2^{1213454504242} is an apocalyptic number.

1213454504242 is a deficient number, since it is larger than the sum of its proper divisors (631063176398).

1213454504242 is a wasteful number, since it uses less digits than its factorization.

1213454504242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398617.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 1213454504242 in words is "one trillion, two hundred thirteen billion, four hundred fifty-four million, five hundred four thousand, two hundred forty-two".