12215107336 has 8 divisors (see below), whose sum is σ = 22903326270. Its totient is φ = 6107553664.

The previous prime is 12215107297. The next prime is 12215107343. The reversal of 12215107336 is 63370151221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12181536900 + 33570436 = 110370^2 + 5794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12215107298 and 12215107307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763444201 + ... + 763444216.

Almost surely, 2^12215107336 is an apocalyptic number.

It is an amenable number.

12215107336 is a deficient number, since it is larger than the sum of its proper divisors (10688218934).

12215107336 is a wasteful number, since it uses less digits than its factorization.

12215107336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526888423 (or 1526888419 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 12215107336 its reverse (63370151221), we get a palindrome (75585258557).

The spelling of 12215107336 in words is "twelve billion, two hundred fifteen million, one hundred seven thousand, three hundred thirty-six".