74122012155341 has 4 divisors (see below), whose sum is σ = 77344708336032. Its totient is φ = 70899315974652.

The previous prime is 74122012155319. The next prime is 74122012155353. The reversal of 74122012155341 is 14355121022147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74122012155341 - 2²⁶ = 74121945046477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74122012155295 and 74122012155304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74122012155361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611348090311 + ... + 1611348090356.

It is an arithmetic number, because the mean of its divisors is an integer number (19336177084008).

Almost surely, 2^{74122012155341} is an apocalyptic number.

It is an amenable number.

74122012155341 is a deficient number, since it is larger than the sum of its proper divisors (3222696180691).

74122012155341 is a wasteful number, since it uses less digits than its factorization.

74122012155341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222696180690.

The product of its (nonzero) digits is 67200, while the sum is 38.

Adding to 74122012155341 its reverse (14355121022147), we get a palindrome (88477133177488).

The spelling of 74122012155341 in words is "seventy-four trillion, one hundred twenty-two billion, twelve million, one hundred fifty-five thousand, three hundred forty-one".