130212342 has 48 divisors (see below), whose sum is σ = 310918608. Its totient is φ = 39130560.

The previous prime is 130212337. The next prime is 130212343. The reversal of 130212342 is 243212031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130212343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3592 + ... + 16532.

It is an arithmetic number, because the mean of its divisors is an integer number (6477471).

Almost surely, 2^130212342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130212342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155459304).

130212342 is an abundant number, since it is smaller than the sum of its proper divisors (180706266).

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

130212342 is a wasteful number, since it uses less digits than its factorization.

130212342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005 (or 13002 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130212342 is about 11411.0622643118. The cubic root of 130212342 is about 506.8553676354.

Adding to 130212342 its reverse (243212031), we get a palindrome (373424373).

The spelling of 130212342 in words is "one hundred thirty million, two hundred twelve thousand, three hundred forty-two".