131212132330 has 64 divisors (see below), whose sum is σ = 248910133248. Its totient is φ = 49731252480.

The previous prime is 131212132309. The next prime is 131212132411. The reversal of 131212132330 is 33231212131.

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 31 ways as a sum of consecutive naturals, for example, 8256352 + ... + 8272228.

It is an arithmetic number, because the mean of its divisors is an integer number (3889220832).

Almost surely, 2^131212132330 is an apocalyptic number.

131212132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212132330 is a deficient number, since it is larger than the sum of its proper divisors (117698000918).

131212132330 is a wasteful number, since it uses less digits than its factorization.

131212132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16471.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131212132330 its reverse (33231212131), we get a palindrome (164443344461).

The spelling of 131212132330 in words is "one hundred thirty-one billion, two hundred twelve million, one hundred thirty-two thousand, three hundred thirty".