12204145254 has 64 divisors (see below), whose sum is σ = 28139738112. Its totient is φ = 3456432000.

The previous prime is 12204145169. The next prime is 12204145363. The reversal of 12204145254 is 45254140221.

It is a super-2 number, since 2×12204145254² (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 31 ways as a sum of consecutive naturals, for example, 3429244 + ... + 3432800.

It is an arithmetic number, because the mean of its divisors is an integer number (439683408).

Almost surely, 2^12204145254 is an apocalyptic number.

12204145254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12204145254 is an abundant number, since it is smaller than the sum of its proper divisors (15935592858).

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

12204145254 is a wasteful number, since it uses less digits than its factorization.

12204145254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 12204145254 its reverse (45254140221), we get a palindrome (57458285475).

The spelling of 12204145254 in words is "twelve billion, two hundred four million, one hundred forty-five thousand, two hundred fifty-four".