1223254512 has 30 divisors (see below), whose sum is σ = 3423414072. Its totient is φ = 407751456.

The previous prime is 1223254441. The next prime is 1223254519. The reversal of 1223254512 is 2154523221.

1223254512 is a `hidden beast` number, since 122 + 3 + 25 + 4 + 512 = 666.

It is a super-2 number, since 2×1223254512² = 2992703202256716288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223254519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4247268 + ... + 4247555.

Almost surely, 2^1223254512 is an apocalyptic number.

1223254512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223254512 is an abundant number, since it is smaller than the sum of its proper divisors (2200159560).

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

1223254512 is a wasteful number, since it uses less digits than its factorization.

1223254512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494837 (or 8494828 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1223254512 is about 34975.0555682189. The cubic root of 1223254512 is about 1069.4790348305.

Adding to 1223254512 its reverse (2154523221), we get a palindrome (3377777733).

The spelling of 1223254512 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, five hundred twelve".