1242142242022 has 8 divisors (see below), whose sum is σ = 2032596396072. Its totient is φ = 564610110000.

The previous prime is 1242142241981. The next prime is 1242142242031. The reversal of 1242142242022 is 2202422412421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28230505479 + ... + 28230505522.

It is an arithmetic number, because the mean of its divisors is an integer number (254074549509).

Almost surely, 2^{1242142242022} is an apocalyptic number.

1242142242022 is a deficient number, since it is larger than the sum of its proper divisors (790454154050).

1242142242022 is a wasteful number, since it uses less digits than its factorization.

1242142242022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56461011014.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1242142242022 its reverse (2202422412421), we get a palindrome (3444564654443).

The spelling of 1242142242022 in words is "one trillion, two hundred forty-two billion, one hundred forty-two million, two hundred forty-two thousand, twenty-two".