130212232440 has 32 divisors (see below), whose sum is σ = 390636697680. Its totient is φ = 34723261952.

The previous prime is 130212232427. The next prime is 130212232459. The reversal of 130212232440 is 44232212031.

It is a happy number.

It is a super-3 number, since 3×130212232440³ (a number of 34 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130212232440.

It is a congruent number.

It is an unprimeable number.

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, 542550849 + ... + 542551088.

Almost surely, 2^130212232440 is an apocalyptic number.

130212232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130212232440 is an abundant number, since it is smaller than the sum of its proper divisors (260424465240).

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

130212232440 is a wasteful number, since it uses less digits than its factorization.

130212232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085101951 (or 1085101947 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 130212232440 its reverse (44232212031), we get a palindrome (174444444471).

The spelling of 130212232440 in words is "one hundred thirty billion, two hundred twelve million, two hundred thirty-two thousand, four hundred forty".