12355450712 has 32 divisors (see below), whose sum is σ = 25442154000. Its totient is φ = 5578416000.

The previous prime is 12355450711. The next prime is 12355450717. The reversal of 12355450712 is 21705455321.

It is a super-2 number, since 2×12355450712² (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 (12355450711) 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, 458039 + ... + 484262.

Almost surely, 2^12355450712 is an apocalyptic number.

It is an amenable number.

12355450712 is an abundant number, since it is smaller than the sum of its proper divisors (13086703288).

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

12355450712 is a wasteful number, since it uses less digits than its factorization.

12355450712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942467 (or 942463 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 12355450712 in words is "twelve billion, three hundred fifty-five million, four hundred fifty thousand, seven hundred twelve".