121342522435 has 16 divisors (see below), whose sum is σ = 152043925824. Its totient is φ = 92791084672.

The previous prime is 121342522409. The next prime is 121342522451. The reversal of 121342522435 is 534225243121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121342522435 is a prime.

It is a super-4 number, since 4×121342522435⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121342522435.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181672 + ... + 525061.

It is an arithmetic number, because the mean of its divisors is an integer number (9502745364).

Almost surely, 2^121342522435 is an apocalyptic number.

121342522435 is a deficient number, since it is larger than the sum of its proper divisors (30701403389).

121342522435 is a wasteful number, since it uses less digits than its factorization.

121342522435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708254.

The product of its digits is 57600, while the sum is 34.

Adding to 121342522435 its reverse (534225243121), we get a palindrome (655567765556).

The spelling of 121342522435 in words is "one hundred twenty-one billion, three hundred forty-two million, five hundred twenty-two thousand, four hundred thirty-five".