12207214536 has 32 divisors (see below), whose sum is σ = 33292404000. Its totient is φ = 3699155840.

The previous prime is 12207214517. The next prime is 12207214549. The reversal of 12207214536 is 63541270221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 12207214497 and 12207214506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23119461 + ... + 23119988.

It is an arithmetic number, because the mean of its divisors is an integer number (1040387625).

Almost surely, 2^12207214536 is an apocalyptic number.

It is an amenable number.

12207214536 is an abundant number, since it is smaller than the sum of its proper divisors (21085189464).

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

12207214536 is a wasteful number, since it uses less digits than its factorization.

12207214536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46239469 (or 46239465 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 12207214536 its reverse (63541270221), we get a palindrome (75748484757).

The spelling of 12207214536 in words is "twelve billion, two hundred seven million, two hundred fourteen thousand, five hundred thirty-six".