1252020412223 has 32 divisors (see below), whose sum is σ = 1518360993792. Its totient is φ = 1009887782400.

The previous prime is 1252020412193. The next prime is 1252020412243. The reversal of 1252020412223 is 3222140202521.

It is a de Polignac number, because none of the positive numbers 2^k-1252020412223 is a prime.

It is a super-2 number, since 2×1252020412223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252020412192 and 1252020412201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252020412243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568115 + ... + 1681307.

It is an arithmetic number, because the mean of its divisors is an integer number (47448781056).

Almost surely, 2^{1252020412223} is an apocalyptic number.

1252020412223 is a deficient number, since it is larger than the sum of its proper divisors (266340581569).

1252020412223 is a wasteful number, since it uses less digits than its factorization.

1252020412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113375.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1252020412223 its reverse (3222140202521), we get a palindrome (4474160614744).

The spelling of 1252020412223 in words is "one trillion, two hundred fifty-two billion, twenty million, four hundred twelve thousand, two hundred twenty-three".