12210202144 has 24 divisors (see below), whose sum is σ = 27472955328. Its totient is φ = 5232943680.

The previous prime is 12210202129. The next prime is 12210202153. The reversal of 12210202144 is 44120201221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27254692 + ... + 27255139.

It is an arithmetic number, because the mean of its divisors is an integer number (1144706472).

Almost surely, 2^12210202144 is an apocalyptic number.

12210202144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12210202144 is an abundant number, since it is smaller than the sum of its proper divisors (15262753184).

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

12210202144 is an equidigital number, since it uses as much as digits as its factorization.

12210202144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54509848 (or 54509840 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12210202144 its reverse (44120201221), we get a palindrome (56330403365).

The spelling of 12210202144 in words is "twelve billion, two hundred ten million, two hundred two thousand, one hundred forty-four".