1234454112442 has 4 divisors (see below), whose sum is σ = 1851681168666. Its totient is φ = 617227056220.

The previous prime is 1234454112407. The next prime is 1234454112461. The reversal of 1234454112442 is 2442114544321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 930300759441 + 304153353001 = 964521^2 + 551501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308613528109 + ... + 308613528112.

Almost surely, 2^{1234454112442} is an apocalyptic number.

1234454112442 is a deficient number, since it is larger than the sum of its proper divisors (617227056224).

1234454112442 is an equidigital number, since it uses as much as digits as its factorization.

1234454112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617227056223.

The product of its digits is 122880, while the sum is 37.

Adding to 1234454112442 its reverse (2442114544321), we get a palindrome (3676568656763).

The spelling of 1234454112442 in words is "one trillion, two hundred thirty-four billion, four hundred fifty-four million, one hundred twelve thousand, four hundred forty-two".