1251420033141 has 12 divisors (see below), whose sum is σ = 1816173573760. Its totient is φ = 830326087080.

The previous prime is 1251420033121. The next prime is 1251420033217. The reversal of 1251420033141 is 1413300241521.

1251420033141 is a `hidden beast` number, since 1 + 2 + 514 + 2 + 0 + 0 + 3 + 3 + 141 = 666.

It is not a de Polignac number, because 1251420033141 - 2⁷ = 1251420033013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251420033121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329492581 + ... + 329496378.

Almost surely, 2^{1251420033141} is an apocalyptic number.

It is an amenable number.

1251420033141 is a deficient number, since it is larger than the sum of its proper divisors (564753540619).

1251420033141 is a wasteful number, since it uses less digits than its factorization.

1251420033141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658989176 (or 658989173 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1251420033141 its reverse (1413300241521), we get a palindrome (2664720274662).

The spelling of 1251420033141 in words is "one trillion, two hundred fifty-one billion, four hundred twenty million, thirty-three thousand, one hundred forty-one".