1201213242 has 48 divisors (see below), whose sum is σ = 2641429440. Its totient is φ = 394468800.

The previous prime is 1201213229. The next prime is 1201213243. The reversal of 1201213242 is 2423121021.

It is a happy number.

1201213242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1201213243) 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, 497017 + ... + 499427.

It is an arithmetic number, because the mean of its divisors is an integer number (55029780).

Almost surely, 2^1201213242 is an apocalyptic number.

1201213242 is an abundant number, since it is smaller than the sum of its proper divisors (1440216198).

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

1201213242 is a wasteful number, since it uses less digits than its factorization.

1201213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1201213242 is about 34658.5233672758. The cubic root of 1201213242 is about 1063.0165768924.

Adding to 1201213242 its reverse (2423121021), we get a palindrome (3624334263).

The spelling of 1201213242 in words is "one billion, two hundred one million, two hundred thirteen thousand, two hundred forty-two".