12245534400 has 168 divisors, whose sum is σ = 43828069824. Its totient is φ = 2968601600.

The previous prime is 12245534387. The next prime is 12245534419. The reversal of 12245534400 is 443554221.

It is a super-2 number, since 2×12245534400² (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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63162 + ... + 168761.

It is an arithmetic number, because the mean of its divisors is an integer number (260881368).

Almost surely, 2^12245534400 is an apocalyptic number.

12245534400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12245534400 is an abundant number, since it is smaller than the sum of its proper divisors (31582535424).

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

12245534400 is a wasteful number, since it uses less digits than its factorization.

12245534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231959 (or 231944 counting only the distinct ones).

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

It can be divided in two parts, 12245 and 534400, that added together give a palindrome (546645).

The spelling of 12245534400 in words is "twelve billion, two hundred forty-five million, five hundred thirty-four thousand, four hundred".