1252022501205 has 48 divisors (see below), whose sum is σ = 2490078374784. Its totient is φ = 570072816000.

The previous prime is 1252022501203. The next prime is 1252022501207. The reversal of 1252022501205 is 5021052202521.

It is a happy number.

1252022501205 is a `hidden beast` number, since 1 + 2 + 5 + 202 + 250 + 1 + 205 = 666.

It is an interprime number because it is at equal distance from previous prime (1252022501203) and next prime (1252022501207).

It is not a de Polignac number, because 1252022501205 - 2¹ = 1252022501203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252022501203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7838614 + ... + 7996743.

It is an arithmetic number, because the mean of its divisors is an integer number (51876632808).

Almost surely, 2^{1252022501205} is an apocalyptic number.

1252022501205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252022501205 is a deficient number, since it is larger than the sum of its proper divisors (1238055873579).

1252022501205 is a wasteful number, since it uses less digits than its factorization.

1252022501205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835626 (or 15835623 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 1252022501205 its reverse (5021052202521), we get a palindrome (6273074703726).

The spelling of 1252022501205 in words is "one trillion, two hundred fifty-two billion, twenty-two million, five hundred one thousand, two hundred five".