12212536993 has 8 divisors (see below), whose sum is σ = 12932904960. Its totient is φ = 11492389440.

The previous prime is 12212536991. The next prime is 12212537009. The reversal of 12212536993 is 39963521221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212536993 - 2¹ = 12212536991 is a prime.

It is a super-3 number, since 3×12212536993³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212536991) 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, 66688 + ... + 169918.

It is an arithmetic number, because the mean of its divisors is an integer number (1616613120).

Almost surely, 2^12212536993 is an apocalyptic number.

It is an amenable number.

12212536993 is a deficient number, since it is larger than the sum of its proper divisors (720367967).

12212536993 is a wasteful number, since it uses less digits than its factorization.

12212536993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110207.

The product of its digits is 174960, while the sum is 43.

The spelling of 12212536993 in words is "twelve billion, two hundred twelve million, five hundred thirty-six thousand, nine hundred ninety-three".