1242150010255 has 64 divisors (see below), whose sum is σ = 1940967733248. Its totient is φ = 739979919360.

The previous prime is 1242150010219. The next prime is 1242150010459. The reversal of 1242150010255 is 5520100512421.

It is not a de Polignac number, because 1242150010255 - 2¹³ = 1242150002063 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 63 ways as a sum of consecutive naturals, for example, 9649999 + ... + 9777871.

It is an arithmetic number, because the mean of its divisors is an integer number (30327620832).

Almost surely, 2^{1242150010255} is an apocalyptic number.

1242150010255 is a deficient number, since it is larger than the sum of its proper divisors (698817722993).

1242150010255 is a wasteful number, since it uses less digits than its factorization.

1242150010255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129016.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 1242150010255 its reverse (5520100512421), we get a palindrome (6762250522676).

The spelling of 1242150010255 in words is "one trillion, two hundred forty-two billion, one hundred fifty million, ten thousand, two hundred fifty-five".