120213342243 has 32 divisors (see below), whose sum is σ = 180304346880. Its totient is φ = 79148197440.

The previous prime is 120213342239. The next prime is 120213342259. The reversal of 120213342243 is 342243312021.

120213342243 is a `hidden beast` number, since 1 + 20 + 213 + 3 + 422 + 4 + 3 = 666.

It is not a de Polignac number, because 120213342243 - 2² = 120213342239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120213342443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7546455 + ... + 7562367.

It is an arithmetic number, because the mean of its divisors is an integer number (5634510840).

Almost surely, 2^120213342243 is an apocalyptic number.

120213342243 is a deficient number, since it is larger than the sum of its proper divisors (60091004637).

120213342243 is a wasteful number, since it uses less digits than its factorization.

120213342243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19376 (or 19370 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 120213342243 its reverse (342243312021), we get a palindrome (462456654264).

The spelling of 120213342243 in words is "one hundred twenty billion, two hundred thirteen million, three hundred forty-two thousand, two hundred forty-three".