1242221030141 has 8 divisors (see below), whose sum is σ = 1528887421824. Its totient is φ = 982856199600.

The previous prime is 1242221030087. The next prime is 1242221030143. The reversal of 1242221030141 is 1410301222421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242221030141 is a prime.

It is a super-2 number, since 2×1242221030141² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242221030143) 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, 6825390185 + ... + 6825390366.

It is an arithmetic number, because the mean of its divisors is an integer number (191110927728).

Almost surely, 2^{1242221030141} is an apocalyptic number.

It is an amenable number.

1242221030141 is a deficient number, since it is larger than the sum of its proper divisors (286666391683).

1242221030141 is a wasteful number, since it uses less digits than its factorization.

1242221030141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650780571.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1242221030141 its reverse (1410301222421), we get a palindrome (2652522252562).

The spelling of 1242221030141 in words is "one trillion, two hundred forty-two billion, two hundred twenty-one million, thirty thousand, one hundred forty-one".