1242212432 has 40 divisors (see below), whose sum is σ = 2478710400. Its totient is φ = 602813952.

The previous prime is 1242212431. The next prime is 1242212437. The reversal of 1242212432 is 2342122421.

It is a junction number, because it is equal to n+sod(n) for n = 1242212398 and 1242212407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242212431) 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, 66248 + ... + 82904.

It is an arithmetic number, because the mean of its divisors is an integer number (61967760).

Almost surely, 2^1242212432 is an apocalyptic number.

It is an amenable number.

1242212432 is a deficient number, since it is larger than the sum of its proper divisors (1236497968).

1242212432 is a wasteful number, since it uses less digits than its factorization.

1242212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803 (or 16797 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 1242212432 is about 35245.0341466709. The cubic root of 1242212432 is about 1074.9756423542.

Adding to 1242212432 its reverse (2342122421), we get a palindrome (3584334853).

The spelling of 1242212432 in words is "one billion, two hundred forty-two million, two hundred twelve thousand, four hundred thirty-two".