12213257427762 has 8 divisors (see below), whose sum is σ = 24426514855536. Its totient is φ = 4071085809252.

The previous prime is 12213257427739. The next prime is 12213257427827. The reversal of 12213257427762 is 26772475231221.

It is a sphenic number, since it is the product of 3 distinct primes.

12213257427762 is an admirable number.

It is a super-3 number, since 3×12213257427762³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017771452308 + ... + 1017771452319.

It is an arithmetic number, because the mean of its divisors is an integer number (3053314356942).

Almost surely, 2^{12213257427762} is an apocalyptic number.

12213257427762 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12213257427762 is a wasteful number, since it uses less digits than its factorization.

12213257427762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035542904632.

The product of its digits is 3951360, while the sum is 51.

The spelling of 12213257427762 in words is "twelve trillion, two hundred thirteen billion, two hundred fifty-seven million, four hundred twenty-seven thousand, seven hundred sixty-two".