130212240 has 40 divisors (see below), whose sum is σ = 403658688. Its totient is φ = 34723200.

The previous prime is 130212239. The next prime is 130212241. The reversal of 130212240 is 42212031.

It is an interprime number because it is at equal distance from previous prime (130212239) and next prime (130212241).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×130212240³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (130212241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271036 + ... + 271515.

Almost surely, 2^130212240 is an apocalyptic number.

130212240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130212240 is an abundant number, since it is smaller than the sum of its proper divisors (273446448).

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

130212240 is a wasteful number, since it uses less digits than its factorization.

130212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542567 (or 542561 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130212240 is about 11411.0577949636. The cubic root of 130212240 is about 506.8552352894.

Adding to 130212240 its reverse (42212031), we get a palindrome (172424271).

The spelling of 130212240 in words is "one hundred thirty million, two hundred twelve thousand, two hundred forty".