120212340 has 48 divisors (see below), whose sum is σ = 337464960. Its totient is φ = 31973760.

The previous prime is 120212311. The next prime is 120212347. The reversal of 120212340 is 43212021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22881 + ... + 27639.

It is an arithmetic number, because the mean of its divisors is an integer number (7030520).

Almost surely, 2^120212340 is an apocalyptic number.

120212340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212340 is an abundant number, since it is smaller than the sum of its proper divisors (217252620).

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

120212340 is a wasteful number, since it uses less digits than its factorization.

120212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192 (or 5190 counting only the distinct ones).

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

The square root of 120212340 is about 10964.1388170709. The cubic root of 120212340 is about 493.5331742516.

Adding to 120212340 its reverse (43212021), we get a palindrome (163424361).

The spelling of 120212340 in words is "one hundred twenty million, two hundred twelve thousand, three hundred forty".