1351224272452 has 24 divisors (see below), whose sum is σ = 2424694134240. Its totient is φ = 658486866240.

The previous prime is 1351224272417. The next prime is 1351224272459. The reversal of 1351224272452 is 2542724221531.

It is not an unprimeable number, because it can be changed into a prime (1351224272459) 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, 3875658 + ... + 4209889.

It is an arithmetic number, because the mean of its divisors is an integer number (101028922260).

Almost surely, 2^{1351224272452} is an apocalyptic number.

It is an amenable number.

1351224272452 is a deficient number, since it is larger than the sum of its proper divisors (1073469861788).

1351224272452 is a wasteful number, since it uses less digits than its factorization.

1351224272452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086611 (or 8086609 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

Adding to 1351224272452 its reverse (2542724221531), we get a palindrome (3893948493983).

The spelling of 1351224272452 in words is "one trillion, three hundred fifty-one billion, two hundred twenty-four million, two hundred seventy-two thousand, four hundred fifty-two".