121230302100442 has 8 divisors (see below), whose sum is σ = 181898733399156. Its totient is φ = 60597390967392.

The previous prime is 121230302100433. The next prime is 121230302100461. The reversal of 121230302100442 is 244001203032121.

It can be written as a sum of positive squares in 2 ways, for example, as 107425948893201 + 13804353207241 = 10364649^2 + 3715421^2 .

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

It is a super-2 number, since 2×121230302100442² (a number of 29 digits) contains 22 as substring.

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, 8880032883 + ... + 8880046534.

Almost surely, 2^{121230302100442} is an apocalyptic number.

121230302100442 is a deficient number, since it is larger than the sum of its proper divisors (60668431298714).

121230302100442 is a wasteful number, since it uses less digits than its factorization.

121230302100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760082832.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121230302100442 its reverse (244001203032121), we get a palindrome (365231505132563).

The spelling of 121230302100442 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred two million, one hundred thousand, four hundred forty-two".