12235301616 has 20 divisors (see below), whose sum is σ = 31607862632. Its totient is φ = 4078433856.

The previous prime is 12235301527. The next prime is 12235301629. The reversal of 12235301616 is 61610353221.

It is a super-2 number, since 2×12235301616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 127451011 + ... + 127451106.

Almost surely, 2^12235301616 is an apocalyptic number.

12235301616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12235301616 is an abundant number, since it is smaller than the sum of its proper divisors (19372561016).

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

12235301616 is a wasteful number, since it uses less digits than its factorization.

12235301616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254902128 (or 254902122 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 12235301616 its reverse (61610353221), we get a palindrome (73845654837).

The spelling of 12235301616 in words is "twelve billion, two hundred thirty-five million, three hundred one thousand, six hundred sixteen".