1351225124772 has 24 divisors (see below), whose sum is σ = 3163999475616. Its totient is φ = 448816824768.

The previous prime is 1351225124759. The next prime is 1351225124791. The reversal of 1351225124772 is 2774215221531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198940233 + ... + 198947024.

It is an arithmetic number, because the mean of its divisors is an integer number (131833311484).

Almost surely, 2^{1351225124772} is an apocalyptic number.

1351225124772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351225124772 is an abundant number, since it is smaller than the sum of its proper divisors (1812774350844).

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

1351225124772 is a wasteful number, since it uses less digits than its factorization.

1351225124772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397887547 (or 397887545 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The spelling of 1351225124772 in words is "one trillion, three hundred fifty-one billion, two hundred twenty-five million, one hundred twenty-four thousand, seven hundred seventy-two".