1442261212 has 18 divisors (see below), whose sum is σ = 2884924392. Its totient is φ = 618025824.

The previous prime is 1442261173. The next prime is 1442261213. The reversal of 1442261212 is 2121622441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442261213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197368 + ... + 204544.

Almost surely, 2^1442261212 is an apocalyptic number.

It is an amenable number.

1442261212 is an abundant number, since it is smaller than the sum of its proper divisors (1442663180).

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

1442261212 is an frugal number, since it uses more digits than its factorization.

1442261212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14365 (or 7186 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1442261212 is about 37977.1143190211. The cubic root of 1442261212 is about 1129.8340038620.

Adding to 1442261212 its reverse (2121622441), we get a palindrome (3563883653).

The spelling of 1442261212 in words is "one billion, four hundred forty-two million, two hundred sixty-one thousand, two hundred twelve".