12120484216 has 16 divisors (see below), whose sum is σ = 22731620040. Its totient is φ = 6058718880.

The previous prime is 12120484213. The next prime is 12120484219. The reversal of 12120484216 is 61248402121.

It is an interprime number because it is at equal distance from previous prime (12120484213) and next prime (12120484219).

It is a super-2 number, since 2×12120484216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120484213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156226 + ... + 220561.

Almost surely, 2^12120484216 is an apocalyptic number.

It is an amenable number.

12120484216 is a deficient number, since it is larger than the sum of its proper divisors (10611135824).

12120484216 is a wasteful number, since it uses less digits than its factorization.

12120484216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380814 (or 380810 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 12120484216 its reverse (61248402121), we get a palindrome (73368886337).

The spelling of 12120484216 in words is "twelve billion, one hundred twenty million, four hundred eighty-four thousand, two hundred sixteen".