1212133030224 has 80 divisors (see below), whose sum is σ = 3157104724032. Its totient is φ = 400725771264.

The previous prime is 1212133030223. The next prime is 1212133030243. The reversal of 1212133030224 is 4220303312121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212133030194 and 1212133030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212133030223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7103247 + ... + 7271889.

Almost surely, 2^{1212133030224} is an apocalyptic number.

It is an amenable number.

1212133030224 is an abundant number, since it is smaller than the sum of its proper divisors (1944971693808).

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

1212133030224 is a wasteful number, since it uses less digits than its factorization.

1212133030224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169884 (or 169878 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1212133030224 its reverse (4220303312121), we get a palindrome (5432436342345).

The spelling of 1212133030224 in words is "one trillion, two hundred twelve billion, one hundred thirty-three million, thirty thousand, two hundred twenty-four".