12051421223315 has 16 divisors (see below), whose sum is σ = 14512394484000. Its totient is φ = 9607350342912.

The previous prime is 12051421223293. The next prime is 12051421223351. The reversal of 12051421223315 is 51332212415021.

It is a cyclic number.

It is not a de Polignac number, because 12051421223315 - 2⁶ = 12051421223251 is a prime.

It is a super-2 number, since 2×12051421223315² (a number of 27 digits) contains 22 as substring.

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, 15829511 + ... + 16573359.

It is an arithmetic number, because the mean of its divisors is an integer number (907024655250).

Almost surely, 2^{12051421223315} is an apocalyptic number.

12051421223315 is a deficient number, since it is larger than the sum of its proper divisors (2460973260685).

12051421223315 is a wasteful number, since it uses less digits than its factorization.

12051421223315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755206.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12051421223315 its reverse (51332212415021), we get a palindrome (63383633638336).

The spelling of 12051421223315 in words is "twelve trillion, fifty-one billion, four hundred twenty-one million, two hundred twenty-three thousand, three hundred fifteen".