12454345200 has 120 divisors (see below), whose sum is σ = 43522321536. Its totient is φ = 3019232000.

The previous prime is 12454345199. The next prime is 12454345213. The reversal of 12454345200 is 254345421.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×12454345200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458556 + ... + 484955.

Almost surely, 2^12454345200 is an apocalyptic number.

12454345200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12454345200 is an abundant number, since it is smaller than the sum of its proper divisors (31067976336).

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

12454345200 is a wasteful number, since it uses less digits than its factorization.

12454345200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943543 (or 943532 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 12454345200 in words is "twelve billion, four hundred fifty-four million, three hundred forty-five thousand, two hundred".