12351355266220 has 24 divisors (see below), whose sum is σ = 26124449274000. Its totient is φ = 4904998636992.

The previous prime is 12351355266169. The next prime is 12351355266227. The reversal of 12351355266220 is 2266255315321.

It is not an unprimeable number, because it can be changed into a prime (12351355266227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221463995 + ... + 2221469554.

It is an arithmetic number, because the mean of its divisors is an integer number (1088518719750).

Almost surely, 2^{12351355266220} is an apocalyptic number.

12351355266220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12351355266220 is an abundant number, since it is smaller than the sum of its proper divisors (13773094007780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12351355266220 is a wasteful number, since it uses less digits than its factorization.

12351355266220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442933697 (or 4442933695 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 12351355266220 in words is "twelve trillion, three hundred fifty-one billion, three hundred fifty-five million, two hundred sixty-six thousand, two hundred twenty".