1253434220052 has 48 divisors (see below), whose sum is σ = 3518411850240. Its totient is φ = 339275427552.

The previous prime is 1253434220039. The next prime is 1253434220089. The reversal of 1253434220052 is 2500224343521.

It is a junction number, because it is equal to n+sod(n) for n = 1253434219995 and 1253434220022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392678298 + ... + 392681489.

It is an arithmetic number, because the mean of its divisors is an integer number (73300246880).

Almost surely, 2^{1253434220052} is an apocalyptic number.

1253434220052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253434220052 is an abundant number, since it is smaller than the sum of its proper divisors (2264977630188).

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

1253434220052 is a wasteful number, since it uses less digits than its factorization.

1253434220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785359820 (or 785359818 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 1253434220052 its reverse (2500224343521), we get a palindrome (3753658563573).

The spelling of 1253434220052 in words is "one trillion, two hundred fifty-three billion, four hundred thirty-four million, two hundred twenty thousand, fifty-two".