1351212442 has 8 divisors (see below), whose sum is σ = 2028350016. Its totient is φ = 675095772.

The previous prime is 1351212437. The next prime is 1351212451. The reversal of 1351212442 is 2442121531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251908 + ... + 257215.

It is an arithmetic number, because the mean of its divisors is an integer number (253543752).

Almost surely, 2^1351212442 is an apocalyptic number.

1351212442 is a deficient number, since it is larger than the sum of its proper divisors (677137574).

1351212442 is a wasteful number, since it uses less digits than its factorization.

1351212442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510452.

The product of its digits is 1920, while the sum is 25.

The square root of 1351212442 is about 36758.8416846886. The cubic root of 1351212442 is about 1105.5402153702.

Adding to 1351212442 its reverse (2442121531), we get a palindrome (3793333973).

The spelling of 1351212442 in words is "one billion, three hundred fifty-one million, two hundred twelve thousand, four hundred forty-two".