1242042011001 has 32 divisors (see below), whose sum is σ = 2007412118400. Its totient is φ = 752725923840.

The previous prime is 1242042010999. The next prime is 1242042011009. The reversal of 1242042011001 is 1001102402421.

1242042011001 is a `hidden beast` number, since 1 + 242 + 0 + 420 + 1 + 1 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 1242042011001 - 2¹ = 1242042010999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242042011009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11092785 + ... + 11204193.

It is an arithmetic number, because the mean of its divisors is an integer number (62731628700).

Almost surely, 2^{1242042011001} is an apocalyptic number.

1242042011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1242042011001 is a deficient number, since it is larger than the sum of its proper divisors (765370107399).

1242042011001 is a wasteful number, since it uses less digits than its factorization.

1242042011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148966 (or 148960 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1242042011001 its reverse (1001102402421), we get a palindrome (2243144413422).

The spelling of 1242042011001 in words is "one trillion, two hundred forty-two billion, forty-two million, eleven thousand, one".