12042121301 has 4 divisors (see below), whose sum is σ = 13762424352. Its totient is φ = 10321818252.

The previous prime is 12042121279. The next prime is 12042121313. The reversal of 12042121301 is 10312124021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10312124021 = 8537 ⋅1207933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042121301 is a prime.

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 12042121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042121901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860151515 + ... + 860151528.

It is an arithmetic number, because the mean of its divisors is an integer number (3440606088).

Almost surely, 2^12042121301 is an apocalyptic number.

It is an amenable number.

12042121301 is a deficient number, since it is larger than the sum of its proper divisors (1720303051).

12042121301 is an equidigital number, since it uses as much as digits as its factorization.

12042121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720303050.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12042121301 its reverse (10312124021), we get a palindrome (22354245322).

The spelling of 12042121301 in words is "twelve billion, forty-two million, one hundred twenty-one thousand, three hundred one".