1212131030232 has 32 divisors (see below), whose sum is σ = 3031596169200. Its totient is φ = 403874530944.

The previous prime is 1212131030213. The next prime is 1212131030233. The reversal of 1212131030232 is 2320301312121.

It is a junction number, because it is equal to n+sod(n) for n = 1212131030199 and 1212131030208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212131030233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10513083 + ... + 10627754.

Almost surely, 2^{1212131030232} is an apocalyptic number.

1212131030232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212131030232 is an abundant number, since it is smaller than the sum of its proper divisors (1819465138968).

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

1212131030232 is a wasteful number, since it uses less digits than its factorization.

1212131030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21143235 (or 21143231 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1212131030232 its reverse (2320301312121), we get a palindrome (3532432342353).

The spelling of 1212131030232 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, thirty thousand, two hundred thirty-two".