1252342201101 has 4 divisors (see below), whose sum is σ = 1669789601472. Its totient is φ = 834894800732.

The previous prime is 1252342201093. The next prime is 1252342201133. The reversal of 1252342201101 is 1011022432521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1252342201101 - 2³ = 1252342201093 is a prime.

It is a super-2 number, since 2×1252342201101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252342201181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208723700181 + ... + 208723700186.

It is an arithmetic number, because the mean of its divisors is an integer number (417447400368).

Almost surely, 2^{1252342201101} is an apocalyptic number.

It is an amenable number.

1252342201101 is a deficient number, since it is larger than the sum of its proper divisors (417447400371).

1252342201101 is an equidigital number, since it uses as much as digits as its factorization.

1252342201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417447400370.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1252342201101 its reverse (1011022432521), we get a palindrome (2263364633622).

The spelling of 1252342201101 in words is "one trillion, two hundred fifty-two billion, three hundred forty-two million, two hundred one thousand, one hundred one".