1212414144 has 56 divisors (see below), whose sum is σ = 3214786560. Its totient is φ = 403263744.

The previous prime is 1212414083. The next prime is 1212414179. The reversal of 1212414144 is 4414142121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85377 + ... + 98559.

Almost surely, 2^1212414144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212414144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607393280).

1212414144 is an abundant number, since it is smaller than the sum of its proper divisors (2002372416).

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

1212414144 is a wasteful number, since it uses less digits than its factorization.

1212414144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677 (or 13667 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 1212414144 is about 34819.7378508225. The cubic root of 1212414144 is about 1066.3104484136.

Adding to 1212414144 its reverse (4414142121), we get a palindrome (5626556265).

The spelling of 1212414144 in words is "one billion, two hundred twelve million, four hundred fourteen thousand, one hundred forty-four".