131212112213430 has 48 divisors (see below), whose sum is σ = 341351112688560. Its totient is φ = 34969422648384.

The previous prime is 131212112213293. The next prime is 131212112213471. The reversal of 131212112213430 is 34312211212131.

131212112213430 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 2 + 1 + 1 + 221 + 3 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131212112213394 and 131212112213403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426385792 + ... + 426693411.

It is an arithmetic number, because the mean of its divisors is an integer number (7111481514345).

Almost surely, 2^{131212112213430} is an apocalyptic number.

131212112213430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212112213430 is an abundant number, since it is smaller than the sum of its proper divisors (210139000475130).

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

131212112213430 is a wasteful number, since it uses less digits than its factorization.

131212112213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853080925 (or 853080922 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131212112213430 its reverse (34312211212131), we get a palindrome (165524323425561).

The spelling of 131212112213430 in words is "one hundred thirty-one trillion, two hundred twelve billion, one hundred twelve million, two hundred thirteen thousand, four hundred thirty".