1242271284492 has 24 divisors (see below), whose sum is σ = 3312723425536. Its totient is φ = 354934652688.

The previous prime is 1242271284491. The next prime is 1242271284503. The reversal of 1242271284492 is 2944821722421.

It is not an unprimeable number, because it can be changed into a prime (1242271284491) 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 7 ways as a sum of consecutive naturals, for example, 7394471848 + ... + 7394472015.

Almost surely, 2^{1242271284492} is an apocalyptic number.

1242271284492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242271284492 is an abundant number, since it is smaller than the sum of its proper divisors (2070452141044).

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

1242271284492 is a wasteful number, since it uses less digits than its factorization.

1242271284492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788943877 (or 14788943875 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The spelling of 1242271284492 in words is "one trillion, two hundred forty-two billion, two hundred seventy-one million, two hundred eighty-four thousand, four hundred ninety-two".