1242103020201 has 8 divisors (see below), whose sum is σ = 1840152622560. Its totient is φ = 828068680116.

The previous prime is 1242103020199. The next prime is 1242103020227. The reversal of 1242103020201 is 1020203012421.

It is a happy number.

1242103020201 is a `hidden beast` number, since 12 + 421 + 0 + 30 + 2 + 0 + 201 = 666.

It is not a de Polignac number, because 1242103020201 - 2¹ = 1242103020199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242103020251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23001907755 + ... + 23001907808.

It is an arithmetic number, because the mean of its divisors is an integer number (230019077820).

Almost surely, 2^{1242103020201} is an apocalyptic number.

It is an amenable number.

1242103020201 is a deficient number, since it is larger than the sum of its proper divisors (598049602359).

1242103020201 is an equidigital number, since it uses as much as digits as its factorization.

1242103020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46003815572 (or 46003815566 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1242103020201 its reverse (1020203012421), we get a palindrome (2262306032622).

The spelling of 1242103020201 in words is "one trillion, two hundred forty-two billion, one hundred three million, twenty thousand, two hundred one".