1212434120430 has 96 divisors (see below), whose sum is σ = 3401333208000. Its totient is φ = 297872340480.

The previous prime is 1212434120389. The next prime is 1212434120453. The reversal of 1212434120430 is 340214342121.

1212434120430 is a `hidden beast` number, since 1 + 2 + 1 + 243 + 412 + 0 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1212434120394 and 1212434120403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384930 + ... + 1604069.

It is an arithmetic number, because the mean of its divisors is an integer number (35430554250).

Almost surely, 2^{1212434120430} is an apocalyptic number.

1212434120430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212434120430 is an abundant number, since it is smaller than the sum of its proper divisors (2188899087570).

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

1212434120430 is a wasteful number, since it uses less digits than its factorization.

1212434120430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989546 (or 1989543 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1212434120430 its reverse (340214342121), we get a palindrome (1552648462551).

The spelling of 1212434120430 in words is "one trillion, two hundred twelve billion, four hundred thirty-four million, one hundred twenty thousand, four hundred thirty".