1242101101208 has 32 divisors (see below), whose sum is σ = 2544000063120. Its totient is φ = 563849472000.

The previous prime is 1242101101201. The next prime is 1242101101217. The reversal of 1242101101208 is 8021011012421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242101101201) 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, 9206873 + ... + 9340808.

Almost surely, 2^{1242101101208} is an apocalyptic number.

It is an amenable number.

1242101101208 is an abundant number, since it is smaller than the sum of its proper divisors (1301898961912).

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

1242101101208 is a wasteful number, since it uses less digits than its factorization.

1242101101208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18548459 (or 18548455 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 1242101101208 its reverse (8021011012421), we get a palindrome (9263112113629).

The spelling of 1242101101208 in words is "one trillion, two hundred forty-two billion, one hundred one million, one hundred one thousand, two hundred eight".